MDAnalysis.Universe#

`add`(to_item, item[, atom_indices, ...])
`append_structures`(item[, structure_id, ...])
`copy`(item)
`extract`(item[, atom_indices, ...])
`has_attribute`(molecular_system, attribute[, ...])
`is_form`(item)
`StructuresIterator`(molecular_system[, ...])	Iterating over Universe structures without changing its active frame.
`TopologyIterator`(molecular_system[, ...])	Iterating over Universe topology through the canonical native seam.
`merge`(items[, atom_indices, ...])
`set`
`to_file_pdb`
`to_mdtraj_Trajectory`
`to_molsysmt_MolSys`
`to_molsysmt_Structures`
`to_molsysmt_Topology`
`to_nglview_NGLWidget`