def test_rbfe_mutate_2oj9(): from transformato import (ProposeMutationRoute, SystemStructure, load_config_yaml) from ..mutate import mutate_pure_tautomers conf = f"{get_testsystems_dir()}/config/test-2oj9-tautomer-pair-rbfe.yaml" configuration = load_config_yaml( config=conf, input_dir=get_testsystems_dir(), output_dir=get_test_output_dir(), ) s1 = SystemStructure(configuration, "structure1") s2 = SystemStructure(configuration, "structure2") s1_to_s2 = ProposeMutationRoute(s1, s2) s1_to_s2.calculate_common_core() return ( mutate_pure_tautomers( s1_to_s2, s1, s2, configuration, nr_of_bonded_windows=4, ), configuration, s1_to_s2, )
def test_generate_alchemical_path_for_methanol_common_core(): from transformato_testsystems.testsystems import perform_generic_mutation configuration = load_config_yaml( config=f"{get_testsystems_dir()}/config/test-methanol-methane-rsfe.yaml", input_dir=get_testsystems_dir(), output_dir=get_test_output_dir(), ) s1 = SystemStructure(configuration, "structure1") s2 = SystemStructure(configuration, "structure2") s1_to_s2 = ProposeMutationRoute(s1, s2) s1_to_s2.calculate_common_core() mutation_list = s1_to_s2.generate_mutations_to_common_core_for_mol1() i = IntermediateStateFactory( system=s1, configuration=configuration, ) perform_mutations( configuration=configuration, i=i, mutation_list=mutation_list, nr_of_mutation_steps_charge=3, ) assert len(i.output_files) == 11
def test_lonepairs_in_common_core(): configuration = load_config_yaml( config=f"{get_testsystems_dir()}/config/tyk2-ejm_45_ejm_42.yaml", input_dir=get_testsystems_dir(), output_dir=get_test_output_dir(), ) s1 = SystemStructure(configuration, "structure1") s2 = SystemStructure(configuration, "structure2") s1_to_s2 = ProposeMutationRoute(s1, s2) s1_to_s2.propose_common_core() s1_to_s2.finish_common_core() mutation_list = s1_to_s2.generate_mutations_to_common_core_for_mol1() i = IntermediateStateFactory( system=s1, configuration=configuration, ) # check for ligand 1 cc_region = s1_to_s2.get_common_core_idx_mol1() assert (39 in cc_region and 40 in cc_region) == True perform_mutations(configuration=configuration, i=i, mutation_list=mutation_list) # check for ligand 2 cc_region2 = s1_to_s2.get_common_core_idx_mol2() assert (35 in cc_region2 and 36 in cc_region2) == True
def test_lonepairs_in_dummy_region(): configuration = load_config_yaml( config=f"{get_testsystems_dir()}/config/jnk1-17124-18631.yaml", input_dir=get_testsystems_dir(), output_dir=get_test_output_dir(), ) s1 = SystemStructure(configuration, "structure1") s2 = SystemStructure(configuration, "structure2") s1_to_s2 = ProposeMutationRoute(s1, s2) s1_to_s2.propose_common_core() s1_to_s2.finish_common_core() mutation_list = s1_to_s2.generate_mutations_to_common_core_for_mol1() i = IntermediateStateFactory( system=s1, configuration=configuration, ) assert s1_to_s2.dummy_region_cc1.connected_dummy_regions == [ [46, 22], [45, 44, 43, 26, 25], ] perform_mutations(configuration=configuration, i=i, mutation_list=mutation_list) mutation_list = s1_to_s2.generate_mutations_to_common_core_for_mol2() assert s1_to_s2.dummy_region_cc2.connected_dummy_regions == [[39], [40]]
def test_run_1a0q_1a07_rsfe_production_with_CHARMM(caplog): from transformato import ( IntermediateStateFactory, ProposeMutationRoute, SystemStructure, load_config_yaml, ) from transformato.mutate import perform_mutations workdir = get_test_output_dir conf = f"{get_testsystems_dir()}/config/test-1a0q-1a07-rsfe.yaml" configuration = load_config_yaml(config=conf, input_dir="data/", output_dir=workdir) s1 = SystemStructure(configuration, "structure1") s2 = SystemStructure(configuration, "structure2") s1_to_s2 = ProposeMutationRoute(s1, s2) s1_to_s2.propose_common_core() s1_to_s2.finish_common_core() # generate the mutation list for the original mutation_list = s1_to_s2.generate_mutations_to_common_core_for_mol1() print(mutation_list.keys()) i = IntermediateStateFactory( system=s1, configuration=configuration, ) perform_mutations( configuration=configuration, nr_of_mutation_steps_cc=2, nr_of_mutation_steps_charge=1, i=i, mutation_list=mutation_list, )
def test_run_1a0q_1a07_rsfe_with_openMM(caplog): import logging # Test that TF can handel multiple dummy regions caplog.set_level(logging.DEBUG) import warnings from transformato import ( load_config_yaml, SystemStructure, IntermediateStateFactory, ProposeMutationRoute, ) from transformato.mutate import perform_mutations warnings.filterwarnings("ignore", module="parmed") workdir = get_test_output_dir() conf = f"{get_testsystems_dir()}/config/test-1a0q-1a07-rsfe.yaml" configuration = load_config_yaml( config=conf, input_dir="data/test_systems_mutation", output_dir=workdir ) s1 = SystemStructure(configuration, "structure1") s2 = SystemStructure(configuration, "structure2") s1_to_s2 = ProposeMutationRoute(s1, s2) s1_to_s2.propose_common_core() s1_to_s2.finish_common_core() # generate the mutation list for the original mutation_list = s1_to_s2.generate_mutations_to_common_core_for_mol1() print(mutation_list.keys()) i = IntermediateStateFactory( system=s1, configuration=configuration, ) perform_mutations(configuration=configuration, i=i, mutation_list=mutation_list) run_simulation(i.output_files, engine="openMM")
def test_run_1a0q_1a07_rsfe_with_openMM(caplog): # Test that TF can handel multiple dummy regions caplog.set_level(logging.DEBUG) conf = f"{get_testsystems_dir()}/config/test-1a0q-1a07-rsfe.yaml" configuration = load_config_yaml( config=conf, input_dir=get_testsystems_dir(), output_dir=get_test_output_dir() ) s1 = SystemStructure(configuration, "structure1") s2 = SystemStructure(configuration, "structure2") s1_to_s2 = ProposeMutationRoute(s1, s2) s1_to_s2.propose_common_core() s1_to_s2.finish_common_core() # generate the mutation list for the original mutation_list = s1_to_s2.generate_mutations_to_common_core_for_mol1() print(mutation_list.keys()) i = IntermediateStateFactory( system=s1, configuration=configuration, ) perform_mutations(configuration=configuration, i=i, mutation_list=mutation_list) run_simulation(i.output_files, engine="openMM") # Analysis with mda ddG_openMM_mda, dddG_mda, f_openMM_mda = postprocessing( configuration, name="1a0q", engine="openMM", analyze_traj_with="mda", num_proc=4, max_snapshots=50, ) print(f"Free energy difference using mda: {ddG_openMM_mda} +- {dddG_mda} [kT") # Analysis with mdtraj ddG_openMM_mtraj, dddG_mtraj, f_openMM_mtraj = postprocessing( configuration, name="1a0q", engine="openMM", max_snapshots=50, ) print( f"Free energy difference using mdtraj: {ddG_openMM_mtraj} +- {dddG_mtraj} [kT" ) assert np.isclose(ddG_openMM_mda, ddG_openMM_mda, rtol=0.2) assert np.isclose(dddG_mda, dddG_mda, rtol=0.2)
def test_run_28_1h1q_rbfe_with_openMM(): # Generating output for a run of the CDK2 Ligand System configuration = load_config_yaml( config=f"{get_testsystems_dir()}/config/test-28_1h1q_rbfe.yaml", input_dir=get_testsystems_dir(), output_dir=get_test_output_dir(), ) s1 = SystemStructure(configuration, "structure1") s2 = SystemStructure(configuration, "structure2") s1_to_s2 = ProposeMutationRoute(s1, s2) s1_to_s2.propose_common_core() s1_to_s2.finish_common_core() mutation_list = s1_to_s2.generate_mutations_to_common_core_for_mol1() print(mutation_list.keys()) i = IntermediateStateFactory( system=s1, configuration=configuration, ) perform_mutations( configuration=configuration, i=i, mutation_list=mutation_list, nr_of_mutation_steps_charge=2, nr_of_mutation_steps_cc=2, ) run_simulation(i.output_files, engine="charmm") from transformato.utils import postprocessing ddG_openMM, dddG, f_openMM = postprocessing( configuration, name="cdk2-28", engine="openMM", max_snapshots=50, num_proc=4, analyze_traj_with="mda", ) print(f"Free energy difference: {ddG_openMM} +- {dddG} [kT")
def test_generate_alchemical_path_for_1a0q_1a07(caplog): # Test that TF can handel multiple dummy regions caplog.set_level(logging.INFO) conf = f"{get_testsystems_dir()}/config/test-1a0q-1a07-rsfe.yaml" configuration = load_config_yaml( config=conf, input_dir=get_testsystems_dir(), output_dir=get_test_output_dir() ) s1 = SystemStructure(configuration, "structure1") s2 = SystemStructure(configuration, "structure2") s1_to_s2 = ProposeMutationRoute(s1, s2) s1_to_s2.propose_common_core() s1_to_s2.finish_common_core() # generate the mutation list for the original mutation_list = s1_to_s2.generate_mutations_to_common_core_for_mol1() print(mutation_list.keys()) i = IntermediateStateFactory( system=s1, configuration=configuration, ) perform_mutations(configuration=configuration, i=i, mutation_list=mutation_list) assert i.current_step == 24
def test_run_28_1h1q_rbfe_production_with_CHARMM(): # Generating output for a run of the CDK2 Ligand System from transformato import ( IntermediateStateFactory, ProposeMutationRoute, SystemStructure, load_config_yaml, ) from transformato.mutate import perform_mutations configuration = load_config_yaml( config=f"{get_testsystems_dir()}/config/test-28_1h1q_rbfe.yaml", input_dir=get_testsystems_dir(), output_dir=get_test_output_dir(), ) s1 = SystemStructure(configuration, "structure1") s2 = SystemStructure(configuration, "structure2") s1_to_s2 = ProposeMutationRoute(s1, s2) s1_to_s2.propose_common_core() s1_to_s2.finish_common_core() mutation_list = s1_to_s2.generate_mutations_to_common_core_for_mol1() print(mutation_list.keys()) i = IntermediateStateFactory( system=s1, configuration=configuration, ) perform_mutations( configuration=configuration, i=i, mutation_list=mutation_list, nr_of_mutation_steps_charge=1, nr_of_mutation_steps_cc=1, )