Atom Nomenclature for IPR

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 IPR

Atom Name (V3) Atom Name (V2)
P11 P11
O14 O14
O12 O12
O13 O13
O10 O10
P7 P7
O8 O8
O9 O9
O6 O6
C5 C5
C4 C4
C2 C2
C1 C1
C3 C3
H14 H14
H12 H12
HO8 HO8
HC51 1HC5
HC52 2HC5
HC41 1HC4
HC42 2HC4
HC2 HC2
HC11 1HC1
HC12 2HC1
HC13 3HC1
HC31 1HC3
HC32 2HC3
HC33 3HC3