Atom Nomenclature for ZCL

The atom nomenclature in PDB data files was revised with the release of data in the PDB Format Version 3.0. These changes make the PDB atom names used by PDB compliant with existing IUPAC nomenclature for standard amino acid and nucleotides (Pure & Appl. Chem., 70, 117-142, 1998) with the exception of the well established convention for C-terminal atoms OXT and HXT. A small number of additional changes were introduced in Version 3 to make atom labeling more conventional. The following chemical diagrams and tables provide the correspondences between atom names used in Version 3 and Version 2 PDB formats.

Labeled Chemical Diagrams

Chemical diagram with format V3 atom labels (heavy atoms)
Chemical diagram with format V3 atom labels (all atoms)
Chemical diagram with format V2 atom labels (heavy atoms)
Chemical diagram with format V2 atom labels (all atoms)

Atom Name Correspondences for ZCL

Atom Name (V3) Atom Name (V2)
N NB
O OAH
CLZ CLAO
CE2 CAP
CE1 CAQ
CLE1 CLAQ
CD2 CAR
CD1 CAS
CB CBB
C CBM
CZ CBR
CG CBS
CA CBX
H HNB
H2 HNBA
HE2 HAP
HD2 HAR
HD1 HAS
HB3 HBB
HB2 HBBA
HA HBX
OXT OXT
HXT HXT