MDAnalysis.Topology

add(to_item, item[, atom_indices, ...])
append_structures(item[, structure_id, ...])
copy(item[, skip_digestion])
extract(item[, atom_indices, ...])
has_attribute(molecular_system, attribute[, ...])
is_form(item)
TopologyIterator(molecular_system[, ...])	Iterating through the canonical native topology seam.
merge(items[, atom_indices, skip_digestion])
set