title: Novel canonical coding method for representation of three-dimensional structures
abstract: A new canonical coding method for representation of three-dimensional structures, CAST (CAnonical representation of STereochemistry), is described. CAST canonically codes stereochemistry around an atom in a molecule. The same CAST notations are given for atoms of molecules in the same conformation. The CAST code is based on the dihedral angles of four atoms that are uniquely defined by a molecular tree structure. CAST has successfully represented similarities and differences between several conformers.
authors.affiliation: RIKEN (The Institute of Physical and Chemical Research), Wako, Saitama, Japan. hsatoh@postman.riken.go.jp
authors.initials: H
authors.lastname: Satoh
authors.initials: H
authors.lastname: Koshino
authors.initials: K
authors.lastname: Funatsu
authors.initials: T
authors.lastname: Nakata