def get_local_omega_altlocs(twores):
#in conformer world, where threes come from, altlocs are most accurately
# stored at the atom level, in the .id_str()
#look at all atoms in the main residues, plus the atoms used in calculations
# from adjacent residues to find if any have altlocs
prevres_alt = ''
mainres_alt = ''
for atom in twores[1].atoms():
if atom.name not in [" N ", " CA "]:
continue
altchar = atom.id_str()[9:10]
if altchar != ' ':
mainres_alt = altchar
break
for atom in twores[0].atoms():
if atom.name not in [" CA ", " C "]:
continue
altchar = atom.id_str()[9:10]
if altchar != ' ':
prevres_alt = altchar
break
return prevres_alt, mainres_alt
def get_altloc_from_three(three):
#in conformer world, where threes come from, altlocs are most accurately
# stored at the atom level, in the .id_str()
#look at all atoms in the main residues, plus the atoms used in calculations
# from adjacent residues to find if any have altlocs
##mc_atoms = (" N ", " CA ", " C ", " O ")
for atom in three[1].atoms():
altchar = atom.id_str()[9:10]
if altchar != ' ':
return altchar
for atom in three[0].atoms():
if atom.name != ' C ':
continue
altchar = atom.id_str()[9:10]
if altchar != ' ':
return altchar
for atom in three[2].atoms():
if atom.name != ' N ':
continue
altchar = atom.id_str()[9:10]
if altchar != ' ':
return altchar
return ''
def get_altloc_from_three(three):
#in conformer world, where threes come from, altlocs are most accurately
# stored at the atom level, in the .id_str()
#look at all atoms in the main residues, plus the atoms used in calculations
# from adjacent residues to find if any have altlocs
##mc_atoms = (" N ", " CA ", " C ", " O ")
for atom in three[1].atoms():
altchar = atom.id_str()[9:10]
if altchar != ' ':
return altchar
for atom in three[0].atoms():
if atom.name != ' C ':
continue
altchar = atom.id_str()[9:10]
if altchar != ' ':
return altchar
for atom in three[2].atoms():
if atom.name != ' N ':
continue
altchar = atom.id_str()[9:10]
if altchar != ' ':
return altchar
return ''
