Atom Nomenclature for ACZ

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 ACZ

Atom Name (V3) Atom Name (V2)
NH NH
CZ CZ
CE2 CE2
CD2 CD2
CG CG
CD1 CD1
CE1 CE1
CX CX
CB CB
CA CA
N N
C C
O2 O2
O O
HNH1 1HNH
HNH2 2HNH
HCZ HCZ
HE22 2HE2
HD22 2HD2
HCG HCG
HD11 1HD1
HE11 1HE1
HCX1 1HCX
HCX2 2HCX
HCB1 1HCB
HCB2 2HCB
HCA HCA
HN1 1HN
HN2 2HN
HO2 HO2