Atom Nomenclature for CZM

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 CZM

Atom Name (V3) Atom Name (V2)
OA OA
CA2 CA2
CA3 CA3
CA4 CA4
CA5 CA5
CA6 CA6
CA1 CA1
CA CA
NA NA
CC1 CC1
CC6 CC6
CC5 CC5
CC4 CC4
CC3 CC3
CC2 CC2
NB NB
CB CB
CB1 CB1
CB6 CB6
CB5 CB5
CB4 CB4
CB3 CB3
CB2 CB2
OB OB
CB7 CB7
CA7 CA7
HOA HOA
HA4 HA4
HA5 HA5
HA6 HA6
HA HA
HC6 HC6
HC5 HC5
HC4 HC4
HC3 HC3
HB HB
HB6 HB6
HB5 HB5
HB4 HB4
HOB HOB
HB71 1HB7
HB72 2HB7
HB73 3HB7
HA71 1HA7
HA72 2HA7
HA73 3HA7