예제 #1
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 def c_beta(self):
   result = cbetadev(pdb_hierarchy = self.pdb_hierarchy,
     outliers_only = True, out = null_out()) # XXX Why it is different from others?
   return group_args(
     outliers = result.get_outlier_percent(),
     cbetadev = result #XXX Bulky object -- REMOVE!
     )
예제 #2
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 def run(self):
   hierarchy = self.data_manager.get_model().get_hierarchy()
   hierarchy.atoms().reset_i_seq()
   result = cbetadev(
     pdb_hierarchy=hierarchy,
     outliers_only=self.params.outliers_only,
     out=self.logger,
     quiet=False)
   if self.params.cbetadev.output == "kin":
     self.logger.write(result.as_kinemage())
   elif self.params.verbose:
     #pdb_file_str = os.path.basename(self.params.model)[:-4]
     #get input file name from data manager, strip file extension
     pdb_file_str = os.path.basename(self.data_manager.get_model_names()[0])[:-4]
     result.show_old_output(out=self.logger, prefix=pdb_file_str, verbose=True)
예제 #3
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 def __init__(
     self,
     pdb_hierarchy,
     molprobity_scores=False,
     ):
   self.pdb_hierarchy = pdb_hierarchy
   self.clashscore            = None
   self.ramachandran_outliers = None
   self.ramachandran_allowed  = None
   self.ramachandran_favored  = None
   self.rotamer_outliers      = None
   self.c_beta_dev            = None
   self.mpscore               = None
   self.omglz = None
   self.n_cis_proline = None
   self.n_cis_general = None
   self.n_twisted_proline = None
   self.n_twisted_general = None
   if(molprobity_scores):
     self.ramalyze_obj = ramalyze(pdb_hierarchy=pdb_hierarchy, outliers_only=False)
     self.ramachandran_outliers = self.ramalyze_obj.percent_outliers
     self.ramachandran_allowed  = self.ramalyze_obj.percent_allowed
     self.ramachandran_favored  = self.ramalyze_obj.percent_favored
     self.rotalyze_obj = rotalyze(pdb_hierarchy=pdb_hierarchy, outliers_only=False)
     self.rotamer_outliers = self.rotalyze_obj.percent_outliers
     self.cbetadev_obj = cbetadev(
       pdb_hierarchy = pdb_hierarchy,
       outliers_only = True,
       out           = null_out())
     self.c_beta_dev = self.cbetadev_obj.get_outlier_count()
     self.clashscore = clashscore(pdb_hierarchy=pdb_hierarchy).get_clashscore()
     self.mpscore = molprobity_score(
       clashscore = self.clashscore,
       rota_out   = self.rotamer_outliers,
       rama_fav   = self.ramachandran_favored)
     self.omglz = omegalyze.omegalyze(
       pdb_hierarchy=self.pdb_hierarchy, quiet=True)
     self.n_cis_proline = self.omglz.n_cis_proline()
     self.n_cis_general = self.omglz.n_cis_general()
     self.n_twisted_proline = self.omglz.n_twisted_proline()
     self.n_twisted_general = self.omglz.n_twisted_general()
예제 #4
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 def __init__(
     self,
     pdb_hierarchy,
     molprobity_scores=False,
     ):
   self.pdb_hierarchy = pdb_hierarchy
   self.clashscore            = None
   self.ramachandran_outliers = None
   self.ramachandran_allowed  = None
   self.ramachandran_favored  = None
   self.rotamer_outliers      = None
   self.c_beta_dev            = None
   self.mpscore               = None
   self.omglz = None
   self.n_cis_proline = None
   self.n_cis_general = None
   self.n_twisted_proline = None
   self.n_twisted_general = None
   if(molprobity_scores):
     self.ramalyze_obj = ramalyze(pdb_hierarchy=pdb_hierarchy, outliers_only=False)
     self.ramachandran_outliers = self.ramalyze_obj.percent_outliers
     self.ramachandran_allowed  = self.ramalyze_obj.percent_allowed
     self.ramachandran_favored  = self.ramalyze_obj.percent_favored
     self.rotalyze_obj = rotalyze(pdb_hierarchy=pdb_hierarchy, outliers_only=False)
     self.rotamer_outliers = self.rotalyze_obj.percent_outliers
     self.cbetadev_obj = cbetadev(
       pdb_hierarchy = pdb_hierarchy,
       outliers_only = True,
       out           = null_out())
     self.c_beta_dev = self.cbetadev_obj.get_outlier_count()
     self.clashscore = clashscore(pdb_hierarchy=pdb_hierarchy).get_clashscore()
     self.mpscore = molprobity_score(
       clashscore = self.clashscore,
       rota_out   = self.rotamer_outliers,
       rama_fav   = self.ramachandran_favored)
     self.omglz = omegalyze.omegalyze(
       pdb_hierarchy=self.pdb_hierarchy, quiet=True)
     self.n_cis_proline = self.omglz.n_cis_proline()
     self.n_cis_general = self.omglz.n_cis_general()
     self.n_twisted_proline = self.omglz.n_twisted_proline()
     self.n_twisted_general = self.omglz.n_twisted_general()
예제 #5
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 def get_scores(self, model):
     rama_fav = ramalyze(pdb_hierarchy=model.get_hierarchy(),
                         outliers_only=False).percent_favored
     cbeta = cbetadev(pdb_hierarchy=model.get_hierarchy(),
                      outliers_only=True,
                      out=null_out()).get_outlier_percent()
     rota = rotalyze(pdb_hierarchy=model.get_hierarchy(),
                     outliers_only=False).percent_outliers
     b_rmsd = get_bonds_rmsd(
         restraints_manager=self.geometry_rmsd_manager.geometry,
         xrs=model.get_xray_structure())
     clash = clashscore(pdb_hierarchy=model.get_hierarchy(),
                        keep_hydrogens=False,
                        fast=True,
                        condensed_probe=True).get_clashscore()
     print "DEV: b_rmsd= %7.4f clash= %6.4f rota= %6.4f rama_fav= %5.4f cbeta= %6.4f" % (
         b_rmsd, clash, rota, rama_fav, cbeta)
     return group_args(rama_fav=rama_fav,
                       cbeta=cbeta,
                       rota=rota,
                       b_rmsd=b_rmsd,
                       clash=clash)
예제 #6
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    def __init__(self,
                 pdb_hierarchy,
                 xray_structure=None,
                 fmodel=None,
                 fmodel_neutron=None,
                 geometry_restraints_manager=None,
                 crystal_symmetry=None,
                 sequences=None,
                 flags=None,
                 header_info=None,
                 raw_data=None,
                 unmerged_data=None,
                 all_chain_proxies=None,
                 keep_hydrogens=True,
                 nuclear=False,
                 save_probe_unformatted_file=None,
                 show_hydrogen_outliers=False,
                 min_cc_two_fofc=0.8,
                 n_bins_data=10,
                 count_anomalous_pairs_separately=False,
                 use_internal_variance=True,
                 outliers_only=True,
                 use_pdb_header_resolution_cutoffs=False,
                 file_name=None,
                 ligand_selection=None,
                 rotamer_library="8000",
                 map_params=None):
        assert rotamer_library == "8000", "data_version given to RotamerEval not recognized."
        for name in self.__slots__:
            setattr(self, name, None)
        # very important - the i_seq attributes may be extracted later
        pdb_hierarchy.atoms().reset_i_seq()
        self.pdb_hierarchy = pdb_hierarchy
        if (xray_structure is None):
            if (fmodel is not None):
                xray_structure = fmodel.xray_structure
            elif (crystal_symmetry is not None):
                xray_structure = pdb_hierarchy.extract_xray_structure(
                    crystal_symmetry=crystal_symmetry)
        self.crystal_symmetry = crystal_symmetry
        if (crystal_symmetry is None) and (fmodel is not None):
            self.crystal_symmetry = fmodel.f_obs().crystal_symmetry()
        self.header_info = header_info
        if (flags is None):
            flags = molprobity_flags()
        if pdb_hierarchy.contains_protein():
            self.find_missing_atoms(out=null_out())
            if (flags.ramalyze):
                self.ramalyze = ramalyze.ramalyze(pdb_hierarchy=pdb_hierarchy,
                                                  outliers_only=outliers_only,
                                                  out=null_out(),
                                                  quiet=True)
##### omegalyze ################################################################
            if (flags.omegalyze):
                self.omegalyze = omegalyze.omegalyze(
                    pdb_hierarchy=pdb_hierarchy,
                    nontrans_only=outliers_only,
                    out=null_out(),
                    quiet=True)
##### omegalyze ################################################################
            if (flags.rotalyze):
                self.rotalyze = rotalyze.rotalyze(pdb_hierarchy=pdb_hierarchy,
                                                  data_version=rotamer_library,
                                                  outliers_only=outliers_only,
                                                  out=null_out(),
                                                  quiet=True)
            if (flags.cbetadev):
                self.cbetadev = cbetadev.cbetadev(pdb_hierarchy=pdb_hierarchy,
                                                  outliers_only=outliers_only,
                                                  out=null_out(),
                                                  quiet=True)
            if (flags.nqh):
                self.nqh_flips = clashscore.nqh_flips(
                    pdb_hierarchy=pdb_hierarchy)
        if (pdb_hierarchy.contains_rna() and flags.rna
                and libtbx.env.has_module(name="suitename")):
            if (geometry_restraints_manager is not None):
                self.rna = rna_validate.rna_validation(
                    pdb_hierarchy=pdb_hierarchy,
                    geometry_restraints_manager=geometry_restraints_manager,
                    outliers_only=outliers_only,
                    params=None)
        if (flags.clashscore):
            self.clashes = clashscore.clashscore(
                pdb_hierarchy=pdb_hierarchy,
                save_probe_unformatted_file=save_probe_unformatted_file,
                nuclear=nuclear,
                keep_hydrogens=keep_hydrogens,
                out=null_out(),
                verbose=False)
        if (flags.model_stats) and (xray_structure is not None):
            self.model_stats = model_properties.model_statistics(
                pdb_hierarchy=pdb_hierarchy,
                xray_structure=xray_structure,
                all_chain_proxies=all_chain_proxies,
                ignore_hd=(not nuclear),
                ligand_selection=ligand_selection)
        if (geometry_restraints_manager is not None) and (flags.restraints):
            assert (xray_structure is not None)
            self.restraints = restraints.combined(
                pdb_hierarchy=pdb_hierarchy,
                xray_structure=xray_structure,
                geometry_restraints_manager=geometry_restraints_manager,
                ignore_hd=(not nuclear),
                cdl=getattr(all_chain_proxies, "use_cdl", None))
        if (sequences is not None) and (flags.seq):
            self.sequence = sequence.validation(
                pdb_hierarchy=pdb_hierarchy,
                sequences=sequences,
                log=null_out(),
                include_secondary_structure=True,
                extract_coordinates=True)

        # use maps (fmodel is not used)
        use_maps = False
        if (map_params is not None):
            use_maps = ((map_params.input.maps.map_file_name) or
                        ((map_params.input.maps.map_coefficients_file_name) and
                         (map_params.input.maps.map_coefficients_label)))
        if (use_maps):
            if (flags.real_space):
                self.real_space = experimental.real_space(
                    fmodel=None,
                    pdb_hierarchy=pdb_hierarchy,
                    cc_min=min_cc_two_fofc,
                    molprobity_map_params=map_params.input.maps)
            if (flags.waters):
                self.waters = waters.waters(
                    pdb_hierarchy=pdb_hierarchy,
                    xray_structure=xray_structure,
                    fmodel=None,
                    collect_all=True,
                    molprobity_map_params=map_params.input.maps)

        if (fmodel is not None):
            if (use_pdb_header_resolution_cutoffs) and (header_info
                                                        is not None):
                fmodel = fmodel.resolution_filter(d_min=header_info.d_min,
                                                  d_max=header_info.d_max)
            if (flags.rfactors):
                self.data_stats = experimental.data_statistics(
                    fmodel,
                    raw_data=raw_data,
                    n_bins=n_bins_data,
                    count_anomalous_pairs_separately=
                    count_anomalous_pairs_separately)

            if (not use_maps):  # if maps are used, keep previous results
                if (flags.real_space):
                    self.real_space = experimental.real_space(
                        fmodel=fmodel,
                        pdb_hierarchy=pdb_hierarchy,
                        cc_min=min_cc_two_fofc)
                if (flags.waters):
                    self.waters = waters.waters(pdb_hierarchy=pdb_hierarchy,
                                                xray_structure=xray_structure,
                                                fmodel=fmodel,
                                                collect_all=True)

            if (unmerged_data is not None):
                self.merging = experimental.merging_and_model_statistics(
                    f_obs=fmodel.f_obs(),
                    f_model=fmodel.f_model(),
                    r_free_flags=fmodel.r_free_flags(),
                    unmerged_i_obs=unmerged_data,
                    anomalous=count_anomalous_pairs_separately,
                    use_internal_variance=use_internal_variance,
                    n_bins=n_bins_data)
            if (flags.xtriage):
                import mmtbx.scaling.xtriage
                f_model = abs(
                    fmodel.f_model()).set_observation_type_xray_amplitude()
                if (raw_data is not None):
                    f_model, obs = f_model.common_sets(other=raw_data)
                else:
                    obs = fmodel.f_obs()
                self.xtriage = mmtbx.scaling.xtriage.xtriage_analyses(
                    miller_obs=obs,
                    miller_calc=f_model,
                    unmerged_obs=unmerged_data,  # XXX some redundancy here...
                    text_out=null_out())
        if (fmodel_neutron is not None) and (flags.rfactors):
            self.neutron_stats = experimental.data_statistics(
                fmodel_neutron,
                n_bins=n_bins_data,
                count_anomalous_pairs_separately=False)
        if (pdb_hierarchy.models_size() == 1):
            self._multi_criterion = multi_criterion_view(pdb_hierarchy)
예제 #7
0
def get_model_stat(file_name):
    pdb_inp = iotbx.pdb.input(file_name=file_name)
    atoms = pdb_inp.atoms()
    box = uctbx.non_crystallographic_unit_cell_with_the_sites_in_its_center(
        sites_cart=atoms.extract_xyz(), buffer_layer=5)
    atoms.set_xyz(new_xyz=box.sites_cart)
    ph = pdb_inp.construct_hierarchy()
    if (all_single_atom_residues(ph=ph)): return None
    raw_recs = ph.as_pdb_string(
        crystal_symmetry=box.crystal_symmetry()).splitlines()
    #
    params = monomer_library.pdb_interpretation.master_params.extract()
    params.clash_guard.nonbonded_distance_threshold = None
    params.disable_uc_volume_vs_n_atoms_check = False
    params.use_neutron_distances = True
    params.restraints_library.cdl = False
    processed_pdb_file = monomer_library.pdb_interpretation.process(
        mon_lib_srv=mon_lib_srv,
        ener_lib=ener_lib,
        raw_records=raw_recs,
        params=params,
        log=null_out())
    xrs = processed_pdb_file.xray_structure()
    sctr_keys = xrs.scattering_type_registry().type_count_dict().keys()
    has_hd = "H" in sctr_keys or "D" in sctr_keys
    restraints_manager = processed_pdb_file.geometry_restraints_manager(
        show_energies=False,
        assume_hydrogens_all_missing=not has_hd,
        plain_pairs_radius=5.0)
    a_mean, b_mean = get_bonds_angles_rmsd(
        restraints_manager=restraints_manager, xrs=xrs)
    energies_sites = \
      restraints_manager.energies_sites(
        sites_cart        = xrs.sites_cart(),
        compute_gradients = False)
    nonbonded_distances = energies_sites.nonbonded_distances()
    number_of_worst_clashes = (nonbonded_distances < 0.5).count(True)
    #
    ramalyze_obj = ramalyze(pdb_hierarchy=ph, outliers_only=False)
    ramachandran_outliers = ramalyze_obj.percent_outliers
    rotamer_outliers = rotalyze(pdb_hierarchy=ph,
                                outliers_only=False).percent_outliers
    c_beta_dev = cbetadev(pdb_hierarchy=ph, outliers_only=True,
                          out=null_out()).get_outlier_count()
    omglz = omegalyze.omegalyze(pdb_hierarchy=ph, quiet=True)
    n_cis_proline = omglz.n_cis_proline()
    n_cis_general = omglz.n_cis_general()
    n_twisted_proline = omglz.n_twisted_proline()
    n_twisted_general = omglz.n_twisted_general()
    #
    clsc = clashscore(pdb_hierarchy=ph).get_clashscore()
    mpscore = molprobity_score(clashscore=clsc,
                               rota_out=rotamer_outliers,
                               rama_fav=ramalyze_obj.percent_favored)
    #
    occ = atoms.extract_occ()
    bs = atoms.extract_b()
    #
    return group_args(b_mean=b_mean,
                      a_mean=a_mean,
                      number_of_worst_clashes=number_of_worst_clashes,
                      ramachandran_outliers=ramachandran_outliers,
                      rotamer_outliers=rotamer_outliers,
                      c_beta_dev=c_beta_dev,
                      n_cis_proline=n_cis_proline,
                      n_cis_general=n_cis_general,
                      n_twisted_proline=n_twisted_proline,
                      n_twisted_general=n_twisted_general,
                      o=occ.min_max_mean().as_tuple(),
                      b=bs.min_max_mean().as_tuple(),
                      mpscore=mpscore,
                      clsc=clsc,
                      n_atoms=atoms.size())
예제 #8
0
def exercise_cbetadev():
    regression_pdb = libtbx.env.find_in_repositories(
        relative_path="phenix_regression/pdb/pdb1jxt.ent", test=os.path.isfile)
    if (regression_pdb is None):
        print "Skipping exercise_cbetadev(): input pdb (pdb1jxt.ent) not available"
        return
    from mmtbx.validation import cbetadev
    from iotbx import file_reader
    pdb_in = file_reader.any_file(file_name=regression_pdb)
    hierarchy = pdb_in.file_object.hierarchy
    validation = cbetadev.cbetadev(pdb_hierarchy=hierarchy, outliers_only=True)
    assert approx_equal(validation.get_weighted_outlier_percent(),
                        4.40420846587)
    for unpickle in [False, True]:
        if unpickle:
            validation = loads(dumps(validation))
        assert (validation.n_outliers == len(validation.results) == 6)
        assert ([cb.id_str() for cb in validation.results] == [
            ' A   7 AILE', ' A   8 BVAL', ' A   8 CVAL', ' A  30 BTHR',
            ' A  39 BTHR', ' A  43 BASP'
        ])
        assert approx_equal([cb.deviation for cb in validation.results], [
            0.25977096732623106, 0.2577218834868609, 0.6405578498280606,
            0.81238828498566, 0.9239566035292618, 0.5001892640352836
        ])
        out = StringIO()
        validation.show_old_output(out=out, verbose=True)
        assert not show_diff(
            out.getvalue(), """\
pdb:alt:res:chainID:resnum:dev:dihedralNABB:Occ:ALT:
pdb :A:ile: A:   7 :  0.260: -46.47:   0.45:A:
pdb :B:val: A:   8 :  0.258:  80.92:   0.30:B:
pdb :C:val: A:   8 :  0.641: -53.98:   0.20:C:
pdb :B:thr: A:  30 :  0.812: -76.98:   0.30:B:
pdb :B:thr: A:  39 :  0.924:  56.41:   0.30:B:
pdb :B:asp: A:  43 :  0.500:   7.56:   0.25:B:
SUMMARY: 6 C-beta deviations >= 0.25 Angstrom (Goal: 0)
""")

    # Now with all residues
    validation = cbetadev.cbetadev(pdb_hierarchy=hierarchy,
                                   outliers_only=False)
    for unpickle in [False, True]:
        if unpickle:
            validation = loads(dumps(validation))
        for outlier in validation.results:
            assert (len(outlier.xyz) == 3)
        assert (validation.n_outliers == 6)
        assert (len(validation.results) == 51)
        out = StringIO()
        validation.show_old_output(out=out, verbose=True)
        assert not show_diff(
            out.getvalue(), """\
pdb:alt:res:chainID:resnum:dev:dihedralNABB:Occ:ALT:
pdb : :thr: A:   1 :  0.102:  11.27:   1.00: :
pdb :A:thr: A:   2 :  0.022: -49.31:   0.67:A:
pdb : :cys: A:   3 :  0.038: 103.68:   1.00: :
pdb : :cys: A:   4 :  0.047:-120.73:   1.00: :
pdb : :pro: A:   5 :  0.069:-121.41:   1.00: :
pdb : :ser: A:   6 :  0.052: 112.87:   1.00: :
pdb :A:ile: A:   7 :  0.260: -46.47:   0.45:A:
pdb :B:ile: A:   7 :  0.153: 122.97:   0.55:B:
pdb :A:val: A:   8 :  0.184:-155.36:   0.50:A:
pdb :B:val: A:   8 :  0.258:  80.92:   0.30:B:
pdb :C:val: A:   8 :  0.641: -53.98:   0.20:C:
pdb : :ala: A:   9 :  0.061: -82.84:   1.00: :
pdb :A:arg: A:  10 :  0.023: 172.25:   1.00:A:
pdb : :ser: A:  11 :  0.028:-129.11:   1.00: :
pdb :A:asn: A:  12 :  0.021: -80.80:   0.50:A:
pdb :B:asn: A:  12 :  0.199:  50.01:   0.50:B:
pdb :A:phe: A:  13 :  0.067: -37.32:   0.65:A:
pdb :B:phe: A:  13 :  0.138:  19.24:   0.35:B:
pdb : :asn: A:  14 :  0.065: -96.35:   1.00: :
pdb : :val: A:  15 :  0.138: -96.63:   1.00: :
pdb : :cys: A:  16 :  0.102: -28.64:   1.00: :
pdb : :arg: A:  17 :  0.053:-106.79:   1.00: :
pdb : :leu: A:  18 :  0.053:-141.51:   1.00: :
pdb : :pro: A:  19 :  0.065:-146.95:   1.00: :
pdb : :thr: A:  21 :  0.086:  53.80:   1.00: :
pdb :A:pro: A:  22 :  0.092: -83.39:   0.55:A:
pdb :A:glu: A:  23 :  0.014:-179.53:   0.50:A:
pdb :B:glu: A:  23 :  0.050:-179.78:   0.50:B:
pdb : :ala: A:  24 :  0.056: -88.96:   1.00: :
pdb : :leu: A:  25 :  0.084:-106.42:   1.00: :
pdb : :cys: A:  26 :  0.074: -94.70:   1.00: :
pdb : :ala: A:  27 :  0.056: -62.15:   1.00: :
pdb : :thr: A:  28 :  0.056:-114.82:   1.00: :
pdb :A:tyr: A:  29 :  0.068:   0.22:   0.65:A:
pdb :A:thr: A:  30 :  0.180: 103.27:   0.70:A:
pdb :B:thr: A:  30 :  0.812: -76.98:   0.30:B:
pdb : :cys: A:  32 :  0.029: -84.07:   1.00: :
pdb : :ile: A:  33 :  0.048:-119.17:   1.00: :
pdb : :ile: A:  34 :  0.045:  99.02:   1.00: :
pdb : :ile: A:  35 :  0.052:-128.24:   1.00: :
pdb : :pro: A:  36 :  0.084:-142.29:   1.00: :
pdb : :ala: A:  38 :  0.039:  50.01:   1.00: :
pdb :A:thr: A:  39 :  0.093: -96.63:   0.70:A:
pdb :B:thr: A:  39 :  0.924:  56.41:   0.30:B:
pdb : :cys: A:  40 :  0.013:-144.11:   1.00: :
pdb : :pro: A:  41 :  0.039: -97.09:   1.00: :
pdb :A:asp: A:  43 :  0.130:-146.91:   0.75:A:
pdb :B:asp: A:  43 :  0.500:   7.56:   0.25:B:
pdb : :tyr: A:  44 :  0.085:-143.63:   1.00: :
pdb : :ala: A:  45 :  0.055:  33.32:   1.00: :
pdb : :asn: A:  46 :  0.066: -50.46:   1.00: :
SUMMARY: 6 C-beta deviations >= 0.25 Angstrom (Goal: 0)
""")

    # Auxilary function: extract_atoms_from_residue_group
    from mmtbx.validation.cbetadev import extract_atoms_from_residue_group
    from iotbx import pdb
    pdb_1 = pdb.input(source_info=None,
                      lines="""\
ATOM   1185  N  ASER A 146      24.734  37.097  16.303  0.50 16.64           N
ATOM   1186  N  BSER A 146      24.758  37.100  16.337  0.50 16.79           N
ATOM   1187  CA ASER A 146      24.173  37.500  17.591  0.50 16.63           C
ATOM   1188  CA BSER A 146      24.237  37.427  17.662  0.50 16.87           C
ATOM   1189  C  ASER A 146      22.765  36.938  17.768  0.50 15.77           C
ATOM   1190  C  BSER A 146      22.792  36.945  17.783  0.50 15.94           C
ATOM   1191  O  ASER A 146      22.052  36.688  16.781  0.50 14.91           O
ATOM   1192  O  BSER A 146      22.091  36.741  16.779  0.50 15.17           O
ATOM   1193  CB ASER A 146      24.118  39.035  17.649  0.50 16.93           C
ATOM   1194  CB BSER A 146      24.321  38.940  17.904  0.50 17.48           C
ATOM   1195  OG ASER A 146      23.183  39.485  18.611  0.50 17.56           O
ATOM   1196  OG BSER A 146      23.468  39.645  17.028  0.50 18.32           O  """
                      ).construct_hierarchy()
    pdb_2 = pdb.input(source_info=None,
                      lines="""\
ATOM   1185  N   SER A 146      24.734  37.097  16.303  0.50 16.64           N
ATOM   1187  CA  SER A 146      24.173  37.500  17.591  0.50 16.63           C
ATOM   1189  C   SER A 146      22.765  36.938  17.768  0.50 15.77           C
ATOM   1191  O   SER A 146      22.052  36.688  16.781  0.50 14.91           O
ATOM   1193  CB ASER A 146      24.118  39.035  17.649  0.50 16.93           C
ATOM   1194  CB BSER A 146      24.321  38.940  17.904  0.50 17.48           C
ATOM   1195  OG ASER A 146      23.183  39.485  18.611  0.50 17.56           O
ATOM   1196  OG BSER A 146      23.468  39.645  17.028  0.50 18.32           O  """
                      ).construct_hierarchy()
    pdb_3 = pdb.input(source_info=None,
                      lines="""\
ATOM   1185  N   SER A 146      24.734  37.097  16.303  0.50 16.64           N
ATOM   1187  CA  SER A 146      24.173  37.500  17.591  0.50 16.63           C
ATOM   1189  C   SER A 146      22.765  36.938  17.768  0.50 15.77           C
ATOM   1191  O   SER A 146      22.052  36.688  16.781  0.50 14.91           O
ATOM   1193  CB  SER A 146      24.118  39.035  17.649  0.50 16.93           C
ATOM   1195  OG ASER A 146      23.183  39.485  18.611  0.50 17.56           O
ATOM   1196  OG BSER A 146      23.468  39.645  17.028  0.50 18.32           O  """
                      ).construct_hierarchy()
    rg1 = pdb_1.only_model().only_chain().only_residue_group()
    rg2 = pdb_2.only_model().only_chain().only_residue_group()
    rg3 = pdb_3.only_model().only_chain().only_residue_group()
    all_relevant_atoms_1 = extract_atoms_from_residue_group(rg1)
    all_relevant_atoms_2 = extract_atoms_from_residue_group(rg2)
    all_relevant_atoms_3 = extract_atoms_from_residue_group(rg3)
    keys_1 = [sorted([k for k in a.keys()]) for a in all_relevant_atoms_1]
    keys_2 = [sorted([k for k in a.keys()]) for a in all_relevant_atoms_2]
    keys_3 = [sorted([k for k in a.keys()]) for a in all_relevant_atoms_3]
    assert keys_1 == [[' C  ', ' CA ', ' CB ', ' N  '],
                      [' C  ', ' CA ', ' CB ', ' N  ']]
    assert keys_2 == [[' C  ', ' CA ', ' CB ', ' N  '],
                      [' C  ', ' CA ', ' CB ', ' N  ']]
    assert keys_3 == [[' C  ', ' CA ', ' CB ', ' N  ']]
    print "OK"
예제 #9
0
def make_multikin(f, processed_pdb_file, pdbID=None, keep_hydrogens=False):
  if pdbID == None:
    pdbID = "PDB"
  hierarchy = processed_pdb_file.all_chain_proxies.pdb_hierarchy
  i_seq_name_hash = build_name_hash(pdb_hierarchy=hierarchy)
  sites_cart=processed_pdb_file.all_chain_proxies.sites_cart
  geometry = processed_pdb_file.geometry_restraints_manager()
  flags = geometry_restraints.flags.flags(default=True)
  angle_proxies = geometry.angle_proxies
  pair_proxies = geometry.pair_proxies(flags=flags,
                                       sites_cart=sites_cart)
  bond_proxies = pair_proxies.bond_proxies
  quick_bond_hash = {}
  for bp in bond_proxies.simple:
    if (i_seq_name_hash[bp.i_seqs[0]][9:14] ==
        i_seq_name_hash[bp.i_seqs[1]][9:14]):
      if quick_bond_hash.get(bp.i_seqs[0]) is None:
        quick_bond_hash[bp.i_seqs[0]] = []
      quick_bond_hash[bp.i_seqs[0]].append(bp.i_seqs[1])
  kin_out = get_default_header()
  altid_controls = get_altid_controls(hierarchy=hierarchy)
  if altid_controls != "":
    kin_out += altid_controls
  kin_out += "@group {%s} dominant animate\n" % pdbID
  initiated_chains = []
  rot_outliers = rotalyze(pdb_hierarchy=hierarchy, outliers_only=True)
  cb = cbetadev(
    pdb_hierarchy=hierarchy,
    outliers_only=True)
  rama = ramalyze(pdb_hierarchy=hierarchy, outliers_only=True)
  counter = 0
  for model in hierarchy.models():
    for chain in model.chains():
      if chain.id not in initiated_chains:
        kin_out += "@subgroup {%s} dominant master= {chain %s}\n" % (
                  pdbID,
                  chain.id)
        initiated_chains.append(chain.id)
      kin_out += get_kin_lots(chain=chain,
                              bond_hash=quick_bond_hash,
                              i_seq_name_hash=i_seq_name_hash,
                              pdbID=pdbID,
                              index=counter)
      if (chain.is_protein()) :
        kin_out += rotamer_outliers(chain=chain, pdbID=pdbID,
          rot_outliers=rot_outliers)
        kin_out += rama_outliers(chain=chain, pdbID=pdbID, ram_outliers=rama)
      # TODO use central methods in mmtbx.validation.restraints
      kin_out += get_angle_outliers(angle_proxies=angle_proxies,
                                    chain=chain,
                                    sites_cart=sites_cart,
                                    hierarchy=hierarchy)
      kin_out += get_bond_outliers(bond_proxies=bond_proxies,
                                   chain=chain,
                                   sites_cart=sites_cart,
                                   hierarchy=hierarchy)
      if (chain.is_protein()) :
        kin_out += cbeta_dev(chain_id=chain.id,
          outliers=cb.results)
      kin_out += pperp_outliers(hierarchy=hierarchy,
                                chain=chain)
      counter += 1
  kin_out += omegalyze.omegalyze(pdb_hierarchy=hierarchy,nontrans_only=True,
    out=None,quiet=False).as_kinemage()
  kin_out += make_probe_dots(hierarchy=hierarchy, keep_hydrogens=keep_hydrogens)
  kin_out += get_footer()

  outfile = file(f, 'w')
  for line in kin_out:
    outfile.write(line)
  outfile.close()
  return f
예제 #10
0
  def __init__ (self,
      pdb_hierarchy,
      xray_structure=None,
      fmodel=None,
      fmodel_neutron=None,
      geometry_restraints_manager=None,
      crystal_symmetry=None,
      sequences=None,
      flags=None,
      header_info=None,
      raw_data=None,
      unmerged_data=None,
      all_chain_proxies=None,
      keep_hydrogens=True,
      nuclear=False,
      save_probe_unformatted_file=None,
      show_hydrogen_outliers=False,
      min_cc_two_fofc=0.8,
      n_bins_data=10,
      count_anomalous_pairs_separately=False,
      use_internal_variance=True,
      outliers_only=True,
      use_pdb_header_resolution_cutoffs=False,
      file_name=None,
      ligand_selection=None,
      rotamer_library="8000",
      map_params=None) :
    assert rotamer_library == "8000", "data_version given to RotamerEval not recognized."
    for name in self.__slots__ :
      setattr(self, name, None)
    # very important - the i_seq attributes may be extracted later
    pdb_hierarchy.atoms().reset_i_seq()
    self.pdb_hierarchy = pdb_hierarchy
    if (xray_structure is None) :
      if (fmodel is not None) :
        xray_structure = fmodel.xray_structure
      elif (crystal_symmetry is not None) :
        xray_structure = pdb_hierarchy.extract_xray_structure(
          crystal_symmetry=crystal_symmetry)
    self.crystal_symmetry = crystal_symmetry
    if (crystal_symmetry is None) and (fmodel is not None) :
      self.crystal_symmetry = fmodel.f_obs().crystal_symmetry()
    self.header_info = header_info
    if (flags is None) :
      flags = molprobity_flags()
    if pdb_hierarchy.contains_protein() :
      if (flags.ramalyze) :
        self.ramalyze = ramalyze.ramalyze(
          pdb_hierarchy=pdb_hierarchy,
          outliers_only=outliers_only,
          out=null_out(),
          quiet=True)
##### omegalyze ################################################################
      if (flags.omegalyze) :
        self.omegalyze = omegalyze.omegalyze(
          pdb_hierarchy=pdb_hierarchy,
          nontrans_only=outliers_only,
          out=null_out(),
          quiet=True)
##### omegalyze ################################################################
      if (flags.rotalyze) :
        self.rotalyze = rotalyze.rotalyze(
          pdb_hierarchy=pdb_hierarchy,
          data_version=rotamer_library,
          outliers_only=outliers_only,
          out=null_out(),
          quiet=True)
      if (flags.cbetadev) :
        self.cbetadev = cbetadev.cbetadev(
          pdb_hierarchy=pdb_hierarchy,
          outliers_only=outliers_only,
          out=null_out(),
          quiet=True)
      if (flags.nqh) :
        self.nqh_flips = clashscore.nqh_flips(
          pdb_hierarchy=pdb_hierarchy)
    if (pdb_hierarchy.contains_rna() and flags.rna and
        libtbx.env.has_module(name="suitename")) :
      if (geometry_restraints_manager is not None) :
        self.rna = rna_validate.rna_validation(
          pdb_hierarchy=pdb_hierarchy,
          geometry_restraints_manager=geometry_restraints_manager,
          outliers_only=outliers_only,
          params=None)
    if (flags.clashscore) :
      self.clashes = clashscore.clashscore(
        pdb_hierarchy=pdb_hierarchy,
        save_probe_unformatted_file=save_probe_unformatted_file,
        nuclear=nuclear,
        keep_hydrogens=keep_hydrogens,
        out=null_out(),
        verbose=False)
    if (flags.model_stats) and (xray_structure is not None) :
      self.model_stats = model_properties.model_statistics(
        pdb_hierarchy=pdb_hierarchy,
        xray_structure=xray_structure,
        all_chain_proxies=all_chain_proxies,
        ignore_hd=(not nuclear),
        ligand_selection=ligand_selection)
    if (geometry_restraints_manager is not None) and (flags.restraints) :
      assert (xray_structure is not None)
      self.restraints = restraints.combined(
        pdb_hierarchy=pdb_hierarchy,
        xray_structure=xray_structure,
        geometry_restraints_manager=geometry_restraints_manager,
        ignore_hd=(not nuclear),
        cdl=getattr(all_chain_proxies, "use_cdl", None))
    if (sequences is not None) and (flags.seq) :
      self.sequence = sequence.validation(
        pdb_hierarchy=pdb_hierarchy,
        sequences=sequences,
        log=null_out(),
        include_secondary_structure=True,
        extract_coordinates=True)

    # use maps (fmodel is not used)
    use_maps = False
    if (map_params is not None):
      use_maps = ( (map_params.input.maps.map_file_name) or
                   ( (map_params.input.maps.map_coefficients_file_name) and
                     (map_params.input.maps.map_coefficients_label) ) )
    if (use_maps):
      if (flags.real_space):
        self.real_space = experimental.real_space(
          fmodel=None,
          pdb_hierarchy=pdb_hierarchy,
          cc_min=min_cc_two_fofc,
          molprobity_map_params=map_params.input.maps)
      if (flags.waters):
        self.waters = waters.waters(
          pdb_hierarchy=pdb_hierarchy,
          xray_structure=xray_structure,
          fmodel=None,
          collect_all=True,
          molprobity_map_params=map_params.input.maps)

    if (fmodel is not None) :
      if (use_pdb_header_resolution_cutoffs) and (header_info is not None) :
        fmodel = fmodel.resolution_filter(
          d_min=header_info.d_min,
          d_max=header_info.d_max)
      if (flags.rfactors) :
        self.data_stats = experimental.data_statistics(fmodel,
          raw_data=raw_data,
          n_bins=n_bins_data,
          count_anomalous_pairs_separately=count_anomalous_pairs_separately)

      if (not use_maps): # if maps are used, keep previous results
        if (flags.real_space):
          self.real_space = experimental.real_space(
            fmodel=fmodel,
            pdb_hierarchy=pdb_hierarchy,
            cc_min=min_cc_two_fofc)
        if (flags.waters) :
          self.waters = waters.waters(
            pdb_hierarchy=pdb_hierarchy,
            xray_structure=xray_structure,
            fmodel=fmodel,
            collect_all=True)

      if (unmerged_data is not None) :
        self.merging = experimental.merging_and_model_statistics(
          f_obs=fmodel.f_obs(),
          f_model=fmodel.f_model(),
          r_free_flags=fmodel.r_free_flags(),
          unmerged_i_obs=unmerged_data,
          anomalous=count_anomalous_pairs_separately,
          use_internal_variance=use_internal_variance,
          n_bins=n_bins_data)
      if (flags.xtriage) :
        import mmtbx.scaling.xtriage
        f_model = abs(fmodel.f_model()).set_observation_type_xray_amplitude()
        if (raw_data is not None) :
          f_model, obs = f_model.common_sets(other=raw_data)
        else :
          obs = fmodel.f_obs()
        self.xtriage = mmtbx.scaling.xtriage.xtriage_analyses(
          miller_obs=obs,
          miller_calc=f_model,
          unmerged_obs=unmerged_data, # XXX some redundancy here...
          text_out=null_out())
    if (fmodel_neutron is not None) and (flags.rfactors) :
      self.neutron_stats = experimental.data_statistics(fmodel_neutron,
        n_bins=n_bins_data,
        count_anomalous_pairs_separately=False)
    if (pdb_hierarchy.models_size() == 1) :
      self._multi_criterion = multi_criterion_view(pdb_hierarchy)
예제 #11
0
 def __init__(
     self,
     pdb_hierarchy,
     molprobity_scores=False,
     ):
   """ This class is being pickled. Try not to introduce huge members, e.g.
   self.hierarchy, etc. This is the reason ramalyze_obj, rotalyze_obj etc
   are not members of the class (not self.ramalyze_obj). """
   self.clashscore            = None
   self.ramachandran_outliers = None
   self.ramachandran_allowed  = None
   self.ramachandran_favored  = None
   self.rotamer_outliers      = None
   self.c_beta_dev            = None
   self.mpscore               = None
   self.omglz = None
   self.n_cis_proline = None
   self.n_cis_general = None
   self.n_twisted_proline = None
   self.n_twisted_general = None
   if(molprobity_scores):
     ramalyze_obj = ramalyze(pdb_hierarchy=pdb_hierarchy, outliers_only=False)
     self.ramachandran_outliers = ramalyze_obj.percent_outliers
     self.ramachandran_outliers_cf = ramalyze_obj.get_outliers_count_and_fraction()
     self.ramachandran_allowed  = ramalyze_obj.percent_allowed
     self.ramachandran_allowed_cf  = ramalyze_obj.get_allowed_count_and_fraction()
     self.ramachandran_favored  = ramalyze_obj.percent_favored
     self.ramachandran_favored_cf  = ramalyze_obj.get_favored_count_and_fraction()
     rotalyze_obj = rotalyze(pdb_hierarchy=pdb_hierarchy, outliers_only=False)
     self.rotamer_outliers = rotalyze_obj.percent_outliers
     self.rotamer_cf = rotalyze_obj.get_outliers_count_and_fraction()
     cbetadev_obj = cbetadev(
       pdb_hierarchy = pdb_hierarchy,
       outliers_only = True,
       out           = null_out())
     self.c_beta_dev = cbetadev_obj.get_outlier_count()
     self.c_beta_dev_percent = cbetadev_obj.get_weighted_outlier_percent()
     self.clashscore = clashscore(pdb_hierarchy=pdb_hierarchy).get_clashscore()
     self.mpscore = molprobity_score(
       clashscore = self.clashscore,
       rota_out   = self.rotamer_outliers,
       rama_fav   = self.ramachandran_favored)
     omglz = omegalyze.omegalyze(
       pdb_hierarchy=pdb_hierarchy, quiet=True)
     self.n_proline = omglz.n_proline()
     self.n_general = omglz.n_general()
     self.n_cis_proline = omglz.n_cis_proline()
     self.n_cis_general = omglz.n_cis_general()
     self.n_twisted_proline = omglz.n_twisted_proline()
     self.n_twisted_general = omglz.n_twisted_general()
     self.cis_general = 0
     self.twisted_general = 0
     self.cis_proline = 0
     self.twisted_proline = 0
     if self.n_proline != 0:
       self.cis_proline = self.n_cis_proline*100./self.n_proline
       self.twisted_proline = self.n_twisted_proline*100./self.n_proline
     if self.n_general != 0:
       self.cis_general = self.n_cis_general*100./self.n_general
       self.twisted_general = self.n_twisted_general*100./self.n_general
     self.cablam_outliers=None
     self.cablam_disfavored=None
     self.cablam_ca_outliers=None
     try:
       cablam_results = cablam.cablamalyze(pdb_hierarchy, outliers_only=False,
         out=null_out(), quiet=True)
       self.cablam_outliers = cablam_results.percent_outliers()
       self.cablam_disfavored = cablam_results.percent_disfavored()
       self.cablam_ca_outliers = cablam_results.percent_ca_outliers()
     except Exception as e:
       print "CaBLAM failed with exception:"
       print "  %s" % str(e)
       pass
예제 #12
0
  def __init__(
        self,
        pdb_hierarchy,
        restraints_manager,
        molprobity_scores=False,
        n_histogram_slots=10,
        cdl_restraints=False,
        ignore_hydrogens=False,  #only used by amber
        ):
    self.cdl_restraints=cdl_restraints
    sites_cart = pdb_hierarchy.atoms().extract_xyz()
    energies_sites = \
      restraints_manager.energies_sites(
        sites_cart        = sites_cart,
        compute_gradients = False)
    # molprobity scores
    self.clashscore            = None
    self.ramachandran_outliers = None
    self.ramachandran_allowed  = None
    self.ramachandran_favored  = None
    self.rotamer_outliers      = None
    self.c_beta_dev            = None
    self.mpscore               = None
    if(molprobity_scores):
      self.ramalyze_obj = ramalyze(pdb_hierarchy=pdb_hierarchy, outliers_only=False)
      self.ramachandran_outliers = self.ramalyze_obj.percent_outliers
      self.ramachandran_allowed  = self.ramalyze_obj.percent_allowed
      self.ramachandran_favored  = self.ramalyze_obj.percent_favored
      self.rotalyze_obj = rotalyze(pdb_hierarchy=pdb_hierarchy, outliers_only=False)
      self.rotamer_outliers = self.rotalyze_obj.percent_outliers
      self.cbetadev_obj = cbetadev(
        pdb_hierarchy = pdb_hierarchy,
        outliers_only = True,
        out           = null_out())
      self.c_beta_dev = self.cbetadev_obj.get_outlier_count()
      self.clashscore = clashscore(pdb_hierarchy=pdb_hierarchy).get_clashscore()
      self.mpscore = molprobity_score(
        clashscore = self.clashscore,
        rota_out   = self.rotamer_outliers,
        rama_fav   = self.ramachandran_favored)
    #
    if(hasattr(energies_sites, "geometry")):
      esg = energies_sites.geometry
    else: esg = energies_sites
    self.a = None
    self.b = None
    if not hasattr(esg, "angle_deviations"): return
    if hasattr(esg, "amber"):
      amber_parm = restraints_manager.amber_structs.parm
      self.a, angle_deltas = esg.angle_deviations(sites_cart, amber_parm,
                                        ignore_hd=ignore_hydrogens,
                                        get_deltas=True)
      self.b, bond_deltas = esg.bond_deviations(sites_cart, amber_parm,
                                        ignore_hd=ignore_hydrogens,
                                        get_deltas=True)
      self.a_number = esg.n_angle_proxies(amber_parm,
                                          ignore_hd=ignore_hydrogens)
      self.b_number = esg.n_bond_proxies(amber_parm,
                                         ignore_hd=ignore_hydrogens)
      self.c, self.p, self.ll, self.d, self.n = None, None, None, None, None
      self.c_number=0
      self.p_number=0
      self.d_number=0

      self.bond_deltas_histogram = \
        flex.histogram(data = flex.abs(bond_deltas), n_slots = n_histogram_slots)
      self.angle_deltas_histogram = \
        flex.histogram(data = flex.abs(angle_deltas), n_slots = n_histogram_slots)
      # nonbonded_distances = esg.nonbonded_distances()
      # self.nonbonded_distances_histogram = flex.histogram(
      #   data = flex.abs(nonbonded_distances), n_slots = n_histogram_slots)
      for restraint_type in ["b", "a", "c", "p", "ll", "d", "n"] :
        for value_type in [("mean",2), ("max",1), ("min",0)] :
          name = "%s_%s" % (restraint_type, value_type[0])
          if getattr(self, restraint_type) is None:
            setattr(self, name, None)
            continue
          setattr(self, name, getattr(self, restraint_type)[value_type[1]])
      return
    self.a = esg.angle_deviations()
    self.b = esg.bond_deviations()
    self.a_number = esg.get_filtered_n_angle_proxies()
    self.b_number = esg.get_filtered_n_bond_proxies()
    self.c = esg.chirality_deviations()
    self.d = esg.dihedral_deviations()
    self.p = esg.planarity_deviations()
    self.ll = esg.parallelity_deviations()
    self.n = esg.nonbonded_deviations()
    self.c_number = esg.n_chirality_proxies
    self.d_number = esg.n_dihedral_proxies
    self.p_number = esg.n_planarity_proxies
    self.n_number = esg.n_nonbonded_proxies
    #
    for restraint_type in ["b", "a", "c", "p", "ll", "d", "n"] :
      for value_type in [("mean",2), ("max",1), ("min",0)] :
        name = "%s_%s" % (restraint_type, value_type[0])
        if getattr(self, restraint_type) is None: continue
        setattr(self, name, getattr(self, restraint_type)[value_type[1]])
    #
    if(hasattr(restraints_manager, "geometry")):
      rmg = restraints_manager.geometry
    else: rmg = restraints_manager
    bond_deltas = geometry_restraints.bond_deltas(
      sites_cart         = sites_cart,
      sorted_asu_proxies = rmg.pair_proxies().bond_proxies)
    angle_deltas = geometry_restraints.angle_deltas(
      sites_cart = sites_cart,
      proxies    = rmg.angle_proxies)
    nonbonded_distances = esg.nonbonded_distances()
    self.bond_deltas_histogram = \
      flex.histogram(data = flex.abs(bond_deltas), n_slots = n_histogram_slots)
    self.angle_deltas_histogram = \
      flex.histogram(data = flex.abs(angle_deltas), n_slots = n_histogram_slots)
    self.nonbonded_distances_histogram = flex.histogram(
      data = flex.abs(nonbonded_distances), n_slots = n_histogram_slots)
    #
    assert approx_equal(
      esg.target,
      esg.angle_residual_sum+
      esg.bond_residual_sum+
      esg.chirality_residual_sum+
      esg.dihedral_residual_sum+
      esg.nonbonded_residual_sum+
      esg.planarity_residual_sum+
      esg.parallelity_residual_sum+
      esg.reference_coordinate_residual_sum+
      esg.reference_dihedral_residual_sum+
      esg.ncs_dihedral_residual_sum+
      esg.den_residual_sum+
      esg.ramachandran_residual_sum)
    del energies_sites, esg # we accumulate this object, so make it clean asap
예제 #13
0
    def load_refinement(self, ref):
        self._pdb_file = ref.replace('.dat', '.pdb')
        self._ins_file = ref.replace('.dat', '.ins')
        self._lst_file = ref.replace('.dat', '.lst')
    
        lst = LSTParser(self._lst_file)
        pdb_io = pdb.input(file_name=self._pdb_file)
        
        self._chain_lookup = PDBTools().get_chains(self._pdb_file)
        
        r = clashscore()
        self._clash_score, self._clashes = clashscore.analyze_clashes(r,pdb_io)# verbose=True)
        self._clashes = self._clashes[''].split('\n')
        
        rama = ramalyze()
        output, self._rama_data = rama.analyze_pdb(pdb_io=pdb_io, outliers_only=False)
        
        rota = rotalyze()
        output, self._rotamer_data = rota.analyze_pdb(pdb_io, outliers_only=False)
        
        r = cbetadev()
        output, summary, self._cb_data = cbetadev.analyze_pdb(r,pdb_io=pdb_io,outliers_only=True)
        
        self.sizer = wx.BoxSizer(wx.VERTICAL)
        
        self._rmsds = lst.get_stats()
        
        # Summary
        self.stats_sizer = wx.FlexGridSizer(cols=3, rows=0, vgap=5, hgap=5)
        self.stats_sizer.Add(wx.StaticText(self, -1, 'RMSD Bonds'))
        self.stats_sizer.Add(wx.StaticText(self, -1, '%.3f' % (self._rmsds[0])))
        self.stats_sizer.Add(wx.StaticText(self, -1, ''))
        self.stats_sizer.Add(wx.StaticText(self, -1, 'RMSD Angles'))
        self.stats_sizer.Add(wx.StaticText(self, -1, '%.3f' % (self._rmsds[1])))
        self.stats_sizer.Add(wx.StaticText(self, -1, ''), 0, wx.EXPAND|wx.BOTTOM, 10)

        self.stats_sizer.Add(wx.StaticText(self, -1, 'B Factor (Protein)'))
        self.stats_sizer.Add(wx.StaticText(self, -1, '%.2f' % (self._residues['avg']['pro'])))
        self.stats_sizer.Add(wx.StaticText(self, -1, ''), 0, wx.EXPAND|wx.BOTTOM)
        self.stats_sizer.Add(wx.StaticText(self, -1, 'B Factor (Solvent)'))
        self.stats_sizer.Add(wx.StaticText(self, -1, '%.2f' % (self._residues['avg']['sol'])))
        self.stats_sizer.Add(wx.StaticText(self, -1, ''), 0, wx.EXPAND|wx.BOTTOM)
        self.stats_sizer.Add(wx.StaticText(self, -1, 'B Factor (All)'))
        self.stats_sizer.Add(wx.StaticText(self, -1, '%.2f' % (self._residues['avg']['all'])))
        self.stats_sizer.Add(wx.StaticText(self, -1, ''), 0, wx.EXPAND|wx.BOTTOM, 10)
        
        
        self.stats_sizer.Add(wx.StaticText(self, -1, 'Ramachandran Outliers'))
        self.stats_sizer.Add(wx.StaticText(self, -1, '%.1f' % (rama.get_outliers_count_and_fraction()[1]*100) + '%'))
        self.stats_sizer.Add(wx.StaticText(self, -1, '(Goal ' + rama.get_outliers_goal()+')'))
        self.stats_sizer.Add(wx.StaticText(self, -1, 'Ramachandran Favoured'))
        self.stats_sizer.Add(wx.StaticText(self, -1, '%.1f' % (rama.get_favored_count_and_fraction()[1]*100) + '%'))
        self.stats_sizer.Add(wx.StaticText(self, -1, '(Goal ' + rama.get_favored_goal()+')'), 0, wx.EXPAND|wx.BOTTOM, 10)
        self.stats_sizer.Add(wx.StaticText(self, -1, 'Rotamer Outliers'))
        self.stats_sizer.Add(wx.StaticText(self, -1, '%.1f' % (rota.get_outliers_count_and_fraction()[1]*100) + '%'))
        self.stats_sizer.Add(wx.StaticText(self, -1, '(Goal ' + rota.get_outliers_goal()+')'))
        self.stats_sizer.Add(wx.StaticText(self, -1, 'C-beta Outliers'))
        self.stats_sizer.Add(wx.StaticText(self, -1, '%d' % len(self._cb_data)))
        self.stats_sizer.Add(wx.StaticText(self, -1, '(Goal 0)'))
        self.stats_sizer.Add(wx.StaticText(self, -1, 'Clashscore'))
        self.stats_sizer.Add(wx.StaticText(self, -1, '%d' % self._clash_score['']))
        
        self.sizer.Add(self.stats_sizer, 0, wx.ALL, 10)
        
        # Ramachandran Outliers
        self.rama_sizer = wx.StaticBoxSizer(wx.StaticBox(self, -1, 'Ramachandran Outliers'),wx.VERTICAL)
        if rama.get_outliers_count_and_fraction()[1] > 0:
            rama_list = wx.ListCtrl(self, -1, style=wx.LC_REPORT)
            self.Bind(wx.EVT_LIST_ITEM_SELECTED, self._show_rama, rama_list)
            sizes = [50, 50, 150, 80, 80, 80]
            for i, item in enumerate(['Chain', 'No', 'Residue', 'Score', 'Phi', 'Psi']):
                rama_list.InsertColumn(i, item, width = sizes[i])
            
            i = 0
            self._rama_outliers = []
            for r in self._rama_data:
                (chain_id,resseq,resname,quality,phi,psi,status,pos_name,xyz) = r
                if status == 'OUTLIER':
                    self._rama_outliers.append(r)
                    rama_list.InsertStringItem(i, str(chain_id))
                    rama_list.SetStringItem(i, 1, str(resseq))
                    rama_list.SetStringItem(i, 2, resname)
                    rama_list.SetStringItem(i, 3, '%.2f' % quality)
                    rama_list.SetStringItem(i, 4, '%.1f' % phi)
                    rama_list.SetStringItem(i, 5, '%.1f' % psi)
                    i += 1
            self.rama_sizer.Add(wx.StaticText(self, -1, '%d Ramachandran outliers found' % i), 0)
            self.rama_sizer.Add(rama_list, 0, wx.EXPAND|wx.ALL, 10)
            self.rama_list = rama_list
        
        else:
            self.rama_sizer.Add(wx.StaticText(self, -1, 'No Ramachandran Outliers'), 0)
        
        self.rama_sizer.Add(wx.Button(self, 0, 'Show Ramachandran Plot'), 0)
        self.Bind(wx.EVT_BUTTON, self.show_ramachandran, id=0)
        self.sizer.Add(self.rama_sizer, 0, wx.EXPAND|wx.ALL, 10)
    
    
        # Rotamer Outliers
        self.rota_sizer = wx.StaticBoxSizer(wx.StaticBox(self, -1, 'Rotamer Outliers'),wx.VERTICAL)
        if rota.get_outliers_count_and_fraction()[1] > 0:
            rota_list = wx.ListCtrl(self, -1, style=wx.LC_REPORT)
            self.Bind(wx.EVT_LIST_ITEM_SELECTED, self._show_rota, rota_list)
            sizes = [50, 50, 150, 80, 80, 80, 80, 80]
            for i, item in enumerate(['Chain', 'No', 'Residue', 'Score', 'Chi1', 'Chi2', 'Chi3', 'Chi4']):
                rota_list.InsertColumn(i, item, width = sizes[i])
                    
            i = 0
            self._rota_outliers = []
            for r in self._rotamer_data:
                (chain_id,resseq,resname,quality,chi1,chi2,chi3,chi4,status,xyz) = r
                if status == 'OUTLIER':
                    self._rota_outliers.append(r)
                    rota_list.InsertStringItem(i, str(chain_id))
                    rota_list.SetStringItem(i, 1, str(resseq))
                    rota_list.SetStringItem(i, 2, resname)
                    rota_list.SetStringItem(i, 3, '%.2f' % quality)
                    rota_list.SetStringItem(i, 4, '%.1f' % chi1)
                    rota_list.SetStringItem(i, 5, '%.1f' % chi2 if chi2 is not None else 'None')
                    rota_list.SetStringItem(i, 6, '%.1f' % chi3 if chi3 is not None else 'None')
                    rota_list.SetStringItem(i, 7, '%.1f' % chi4 if chi4 is not None else 'None')
                    i += 1
            self.rota_sizer.Add(wx.StaticText(self, -1, '%d rotamer outliers found' % i), 0)
            self.rota_sizer.Add(rota_list, 1, wx.EXPAND|wx.ALL, 5)
            self.rota_list = rota_list
        else:
            self.rota_sizer.Add(wx.StaticText(self, -1, 'No Rotamer Outliers'))
    
        self.rota_sizer.Add(wx.Button(self, 1, 'Show Chi1-Chi2 Plots'))
        self.Bind(wx.EVT_BUTTON, self.show_rotamer, id=1)
        self.sizer.Add(self.rota_sizer, 0, wx.EXPAND|wx.ALL, 10)
    
    
        # C-beta Outliers
        self.cb_sizer = wx.StaticBoxSizer(wx.StaticBox(self, -1, 'C-beta Outliers'),wx.VERTICAL)
        if len(self._cb_data) > 0:
            cb_list = wx.ListCtrl(self, -1, style=wx.LC_REPORT)
            self.Bind(wx.EVT_LIST_ITEM_SELECTED, self._show_cb, cb_list)
            sizes = [50, 50, 150, 100, 100]
            for i, item in enumerate(['Chain', 'No', 'Residue', 'Deviation', 'Angle']):
                cb_list.InsertColumn(i, item, width = sizes[i])

            for i,r in enumerate(self._cb_data):
                (pdbf, alt, resname, chain_id, resseq, resseq2, dev, diheral, occ, altchar, xyz) = r
                cb_list.InsertStringItem(i, str(chain_id))
                cb_list.SetStringItem(i, 1, str(resseq+resseq2))
                cb_list.SetStringItem(i, 2, resname.upper())
                cb_list.SetStringItem(i, 3, '%.3f' % dev)
                cb_list.SetStringItem(i, 4, '%.2f' % diheral)

            self.cb_sizer.Add(wx.StaticText(self, -1, '%d C-beta outliers found' % len(self._cb_data)), 0)
            self.cb_sizer.Add(cb_list, 1, wx.EXPAND|wx.ALL, 5)
            self.cb_list = cb_list
        else:
            self.cb_sizer.Add(wx.StaticText(self, -1, 'No C-beta Outliers'))

        self.sizer.Add(self.cb_sizer, 0, wx.EXPAND|wx.ALL, 10)

        # Bad Clashes
        self.clash_sizer = wx.StaticBoxSizer(wx.StaticBox(self, -1, 'All Atom Contacts'), wx.VERTICAL)
        if len(self._clashes) > 0:
            clash_list = wx.ListCtrl(self, -1, style=wx.LC_REPORT)
            self.Bind(wx.EVT_LIST_ITEM_SELECTED, self._show_clash, clash_list)
            sizes = [50, 50, 80, 80, 50, 50, 80, 80, 100]
            for i, item in enumerate(['Chain', 'No', 'Residue', 'Atom', 'Chain', 'No', 'Residue', 'Atom', 'Overlap']):
                clash_list.InsertColumn(i, item, width = sizes[i])

            for i,r in enumerate(self._clashes):
                '    78 ILE  CD1     83 LEU HD21 :-0.402'
                clash_list.InsertStringItem(i, r[0:2].strip())
                clash_list.SetStringItem(i, 1, r[2:6].strip())
                clash_list.SetStringItem(i, 2, r[7:10].strip())
                clash_list.SetStringItem(i, 3, r[11:15].strip())
                clash_list.SetStringItem(i, 4, r[16:18].strip())
                clash_list.SetStringItem(i, 5, r[19:22].strip())
                clash_list.SetStringItem(i, 6, r[23:26].strip())
                clash_list.SetStringItem(i, 7, r[28:32].strip())
                clash_list.SetStringItem(i, 8, r[34:39].strip())

            self.clash_sizer.Add(wx.StaticText(self, -1, '%d bad clashes found' % i), 0)
            self.clash_sizer.Add(clash_list, 1, wx.EXPAND|wx.ALL, 5)
            self.clash_list = clash_list
                    
        else:
            self.clash_sizer.Add(wx.StaticText(self, -1, 'No Bad Clashes'))

        self.sizer.Add(self.clash_sizer, 0, wx.EXPAND|wx.ALL, 10)

    
        self._split_sites, self._npds = lst.get_site_info()
        # Split Sites
        self.split_sizer = wx.StaticBoxSizer(wx.StaticBox(self, -1, 'Split Sites'), wx.VERTICAL)
        if len(self._split_sites) > 0:
            split_list = wx.ListCtrl(self, -1, style=wx.LC_REPORT)
            self.Bind(wx.EVT_LIST_ITEM_SELECTED, self._show_split, split_list)
            sizes = [100,100,100,50,80,100]
            for i, item in enumerate(['U1', 'U2', 'U3', 'No', 'Residue', 'Atom']):
                split_list.InsertColumn(i, item, width=sizes[i])
    
            i = 0
            for j,s in enumerate(self._split_sites):
                if '_' in s[3]:
                    split_list.InsertStringItem(i, str(s[0]))
                    split_list.SetStringItem(i, 1, str(s[1]))
                    split_list.SetStringItem(i, 2, str(s[2]))

                    atom,id = s[3].split('_')
                    
                    split_list.SetStringItem(i, 3, str(id))
                    split_list.SetStringItem(i, 4, str())
                    split_list.SetStringItem(i, 5, str(atom))
                    i += 1

            self.split_sizer.Add(wx.StaticText(self, -1, '%d possible split sites found' % len(self._split_sites)))
            self.split_sizer.Add(split_list, 0, wx.EXPAND|wx.ALL, 5)
            self.split_list = split_list
                
        else:
            self.split_sizer.Add(wx.StaticText(self, -1, 'No split sites found'))
        self.sizer.Add(self.split_sizer, 0, wx.EXPAND|wx.ALL, 10)
    
        # NPDs
        self.npd_sizer = wx.StaticBoxSizer(wx.StaticBox(self, -1, 'Non Positive Definites'), wx.VERTICAL)
        if len(self._npds) > 0:
            npd_list = wx.ListCtrl(self, -1, style=wx.LC_REPORT)
            self.Bind(wx.EVT_LIST_ITEM_SELECTED, self._show_npd, npd_list)
            sizes = [100,100,100,50,80,100]
            for i, item in enumerate(['U1', 'U2', 'U3', 'No', 'Residue', 'Atom']):
                npd_list.InsertColumn(i, item, width=sizes[i])

            for i, s in enumerate(self._npds):
                npd_list.InsertStringItem(i, str(s[0]))
                npd_list.SetStringItem(i, 1, str(s[1]))
                npd_list.SetStringItem(i, 2, str(s[2]))
                
                atom, id = s[3].split('_')
                npd_list.SetStringItem(i, 3, str(id))
                npd_list.SetStringItem(i, 4, str())
                npd_list.SetStringItem(i, 5, str(atom))
                    
            self.npd_sizer.Add(wx.StaticText(self, -1, '%d non positive definite sites found' % len(self._npds)))
            self.npd_sizer.Add(npd_list, 0, wx.EXPAND|wx.ALL, 5)
            self.npd_list = npd_list

        else:
            self.npd_sizer.Add(wx.StaticText(self, -1, 'No non positive definite sites found'))
        self.sizer.Add(self.npd_sizer, 0, wx.EXPAND|wx.ALL, 10)

    
        self.SetSizer(self.sizer)
        self.SetAutoLayout(1)
        self.SetupScrolling()
예제 #14
0
def exercise_cbetadev():
  regression_pdb = libtbx.env.find_in_repositories(
    relative_path="phenix_regression/pdb/pdb1jxt.ent",
    test=os.path.isfile)
  if (regression_pdb is None):
    print "Skipping exercise_cbetadev(): input pdb (pdb1jxt.ent) not available"
    return
  from mmtbx.validation import cbetadev
  from iotbx import file_reader
  pdb_in = file_reader.any_file(file_name=regression_pdb)
  hierarchy = pdb_in.file_object.hierarchy
  validation = cbetadev.cbetadev(
    pdb_hierarchy=hierarchy,
    outliers_only=True)
  for unpickle in [False, True] :
    if unpickle :
      validation = loads(dumps(validation))
    assert (validation.n_outliers == len(validation.results) == 6)
    assert ([ cb.id_str() for cb in validation.results ] ==
      [' A   7 AILE', ' A   8 BVAL', ' A   8 CVAL', ' A  30 BTHR',
       ' A  39 BTHR', ' A  43 BASP'])
    assert approx_equal([ cb.deviation for cb in validation.results ],
      [0.25977096732623106, 0.2577218834868609, 0.6405578498280606,
       0.81238828498566, 0.9239566035292618, 0.5001892640352836])
    out = StringIO()
    validation.show_old_output(out=out, verbose=True)
    assert not show_diff(out.getvalue(),
"""\
pdb:alt:res:chainID:resnum:dev:dihedralNABB:Occ:ALT:
pdb :A:ile: A:   7 :  0.260: -46.47:   0.45:A:
pdb :B:val: A:   8 :  0.258:  80.92:   0.30:B:
pdb :C:val: A:   8 :  0.641: -53.98:   0.20:C:
pdb :B:thr: A:  30 :  0.812: -76.98:   0.30:B:
pdb :B:thr: A:  39 :  0.924:  56.41:   0.30:B:
pdb :B:asp: A:  43 :  0.500:   7.56:   0.25:B:
SUMMARY: 6 C-beta deviations >= 0.25 Angstrom (Goal: 0)
""")

  # Now with all residues
  validation = cbetadev.cbetadev(
    pdb_hierarchy=hierarchy,
    outliers_only=False)
  for unpickle in [False, True] :
    if unpickle :
      validation = loads(dumps(validation))
    for outlier in validation.results :
      assert (len(outlier.xyz) == 3)
    assert (validation.n_outliers == 6)
    assert (len(validation.results) == 51)
    out = StringIO()
    validation.show_old_output(out=out, verbose=True)
    assert not show_diff(out.getvalue(), """\
pdb:alt:res:chainID:resnum:dev:dihedralNABB:Occ:ALT:
pdb : :thr: A:   1 :  0.102:  11.27:   1.00: :
pdb :A:thr: A:   2 :  0.022: -49.31:   0.67:A:
pdb : :cys: A:   3 :  0.038: 103.68:   1.00: :
pdb : :cys: A:   4 :  0.047:-120.73:   1.00: :
pdb : :pro: A:   5 :  0.069:-121.41:   1.00: :
pdb : :ser: A:   6 :  0.052: 112.87:   1.00: :
pdb :A:ile: A:   7 :  0.260: -46.47:   0.45:A:
pdb :B:ile: A:   7 :  0.153: 122.97:   0.55:B:
pdb :A:val: A:   8 :  0.184:-155.36:   0.50:A:
pdb :B:val: A:   8 :  0.258:  80.92:   0.30:B:
pdb :C:val: A:   8 :  0.641: -53.98:   0.20:C:
pdb : :ala: A:   9 :  0.061: -82.84:   1.00: :
pdb :A:arg: A:  10 :  0.023: 172.25:   1.00:A:
pdb : :ser: A:  11 :  0.028:-129.11:   1.00: :
pdb :A:asn: A:  12 :  0.021: -80.80:   0.50:A:
pdb :B:asn: A:  12 :  0.199:  50.01:   0.50:B:
pdb :A:phe: A:  13 :  0.067: -37.32:   0.65:A:
pdb :B:phe: A:  13 :  0.138:  19.24:   0.35:B:
pdb : :asn: A:  14 :  0.065: -96.35:   1.00: :
pdb : :val: A:  15 :  0.138: -96.63:   1.00: :
pdb : :cys: A:  16 :  0.102: -28.64:   1.00: :
pdb : :arg: A:  17 :  0.053:-106.79:   1.00: :
pdb : :leu: A:  18 :  0.053:-141.51:   1.00: :
pdb : :pro: A:  19 :  0.065:-146.95:   1.00: :
pdb : :thr: A:  21 :  0.086:  53.80:   1.00: :
pdb :A:pro: A:  22 :  0.092: -83.39:   0.55:A:
pdb :A:glu: A:  23 :  0.014:-179.53:   0.50:A:
pdb :B:glu: A:  23 :  0.050:-179.78:   0.50:B:
pdb : :ala: A:  24 :  0.056: -88.96:   1.00: :
pdb : :leu: A:  25 :  0.084:-106.42:   1.00: :
pdb : :cys: A:  26 :  0.074: -94.70:   1.00: :
pdb : :ala: A:  27 :  0.056: -62.15:   1.00: :
pdb : :thr: A:  28 :  0.056:-114.82:   1.00: :
pdb :A:tyr: A:  29 :  0.068:   0.22:   0.65:A:
pdb :A:thr: A:  30 :  0.180: 103.27:   0.70:A:
pdb :B:thr: A:  30 :  0.812: -76.98:   0.30:B:
pdb : :cys: A:  32 :  0.029: -84.07:   1.00: :
pdb : :ile: A:  33 :  0.048:-119.17:   1.00: :
pdb : :ile: A:  34 :  0.045:  99.02:   1.00: :
pdb : :ile: A:  35 :  0.052:-128.24:   1.00: :
pdb : :pro: A:  36 :  0.084:-142.29:   1.00: :
pdb : :ala: A:  38 :  0.039:  50.01:   1.00: :
pdb :A:thr: A:  39 :  0.093: -96.63:   0.70:A:
pdb :B:thr: A:  39 :  0.924:  56.41:   0.30:B:
pdb : :cys: A:  40 :  0.013:-144.11:   1.00: :
pdb : :pro: A:  41 :  0.039: -97.09:   1.00: :
pdb :A:asp: A:  43 :  0.130:-146.91:   0.75:A:
pdb :B:asp: A:  43 :  0.500:   7.56:   0.25:B:
pdb : :tyr: A:  44 :  0.085:-143.63:   1.00: :
pdb : :ala: A:  45 :  0.055:  33.32:   1.00: :
pdb : :asn: A:  46 :  0.066: -50.46:   1.00: :
SUMMARY: 6 C-beta deviations >= 0.25 Angstrom (Goal: 0)
""")

  # Auxilary function: extract_atoms_from_residue_group
  from mmtbx.validation.cbetadev import extract_atoms_from_residue_group
  from iotbx import pdb
  pdb_1 = pdb.input(source_info=None, lines="""\
ATOM   1185  N  ASER A 146      24.734  37.097  16.303  0.50 16.64           N
ATOM   1186  N  BSER A 146      24.758  37.100  16.337  0.50 16.79           N
ATOM   1187  CA ASER A 146      24.173  37.500  17.591  0.50 16.63           C
ATOM   1188  CA BSER A 146      24.237  37.427  17.662  0.50 16.87           C
ATOM   1189  C  ASER A 146      22.765  36.938  17.768  0.50 15.77           C
ATOM   1190  C  BSER A 146      22.792  36.945  17.783  0.50 15.94           C
ATOM   1191  O  ASER A 146      22.052  36.688  16.781  0.50 14.91           O
ATOM   1192  O  BSER A 146      22.091  36.741  16.779  0.50 15.17           O
ATOM   1193  CB ASER A 146      24.118  39.035  17.649  0.50 16.93           C
ATOM   1194  CB BSER A 146      24.321  38.940  17.904  0.50 17.48           C
ATOM   1195  OG ASER A 146      23.183  39.485  18.611  0.50 17.56           O
ATOM   1196  OG BSER A 146      23.468  39.645  17.028  0.50 18.32           O  """).construct_hierarchy()
  pdb_2 = pdb.input(source_info=None, lines="""\
ATOM   1185  N   SER A 146      24.734  37.097  16.303  0.50 16.64           N
ATOM   1187  CA  SER A 146      24.173  37.500  17.591  0.50 16.63           C
ATOM   1189  C   SER A 146      22.765  36.938  17.768  0.50 15.77           C
ATOM   1191  O   SER A 146      22.052  36.688  16.781  0.50 14.91           O
ATOM   1193  CB ASER A 146      24.118  39.035  17.649  0.50 16.93           C
ATOM   1194  CB BSER A 146      24.321  38.940  17.904  0.50 17.48           C
ATOM   1195  OG ASER A 146      23.183  39.485  18.611  0.50 17.56           O
ATOM   1196  OG BSER A 146      23.468  39.645  17.028  0.50 18.32           O  """).construct_hierarchy()
  pdb_3 = pdb.input(source_info=None, lines="""\
ATOM   1185  N   SER A 146      24.734  37.097  16.303  0.50 16.64           N
ATOM   1187  CA  SER A 146      24.173  37.500  17.591  0.50 16.63           C
ATOM   1189  C   SER A 146      22.765  36.938  17.768  0.50 15.77           C
ATOM   1191  O   SER A 146      22.052  36.688  16.781  0.50 14.91           O
ATOM   1193  CB  SER A 146      24.118  39.035  17.649  0.50 16.93           C
ATOM   1195  OG ASER A 146      23.183  39.485  18.611  0.50 17.56           O
ATOM   1196  OG BSER A 146      23.468  39.645  17.028  0.50 18.32           O  """).construct_hierarchy()
  rg1 = pdb_1.only_model().only_chain().only_residue_group()
  rg2 = pdb_2.only_model().only_chain().only_residue_group()
  rg3 = pdb_3.only_model().only_chain().only_residue_group()
  all_relevant_atoms_1 = extract_atoms_from_residue_group(rg1)
  all_relevant_atoms_2 = extract_atoms_from_residue_group(rg2)
  all_relevant_atoms_3 = extract_atoms_from_residue_group(rg3)
  keys_1 = [ sorted([ k for k in a.keys() ]) for a in all_relevant_atoms_1 ]
  keys_2 = [ sorted([ k for k in a.keys() ]) for a in all_relevant_atoms_2 ]
  keys_3 = [ sorted([ k for k in a.keys() ]) for a in all_relevant_atoms_3 ]
  assert keys_1 == [[' C  ',' CA ',' CB ',' N  '],[' C  ',' CA ',' CB ',' N  ']]
  assert keys_2 == [[' C  ',' CA ',' CB ',' N  '],[' C  ',' CA ',' CB ',' N  ']]
  assert keys_3 == [[' C  ', ' CA ', ' CB ', ' N  ']]
  print "OK"