openmm.Topology#

`add`(to_item, item[, atom_indices, ...])
`append_structures`(item[, structure_id, ...])
`copy`(item[, skip_digestion])
`extract`(item[, atom_indices, ...])
`get_structural_attributes`
`get_topological_attributes`
`has_attribute`(molecular_system, attribute[, ...])
`is_form`(item)
`TopologyIterator`(molecular_system)
`merge`(items[, atom_indices, skip_digestion])
`set`
`to_file_pdb`
`to_file_psf`
`to_mdtraj_Topology`
`to_molsysmt_MolSys`
`to_molsysmt_Topology`
`to_networkx_Graph`
`to_nglview_NGLWidget`
`to_openmm_Context`
`to_openmm_Modeller`
`to_openmm_PDBFile`
`to_openmm_Simulation`
`to_openmm_System`
`to_parmed_Structure`
`to_pdbfixer_PDBFixer`
`to_string_amino_acids_1`
`to_string_amino_acids_3`
`to_string_pdb_text`
`write_topology_in_h5msm`(item, file[, ...])