Topology

Get bondgraph	Getting the bondgraph of a molecular system
Get covalent blocks	Getting the covalent blocks of atoms in a molecular system
Get covalent chains	Getting covalent chains of atoms in a molecular system
Get dihedral quartets	Getting the quartets of atoms defining specific dihedral angles in a molecular system
Get sequence alignment	Getting the sequence alignment of a molecular system over a reference molecular system
Get sequence identity	Getting the sequence identity of a molecular system over a reference molecular system