Atom Nomenclature for X88

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 X88

Atom Name (V3) Atom Name (V2)
C1 C1
C2 C2
C3 C3
C4 C4
C5 C5
C6 C6
N7 N7
C8 C8
N9 N9
O10 O10
N11 N11
O12 O12
O13 O13
C14 C14
C15 C15
N16 N16
C17 C17
C18 C18
N19 N19
C20 C20
H1 H1
H2 H2
H4 H4
HN7 HN7
HN9 HN9
HN9A HN9A
H14 H14
H14A H14A
H15 H15
H17 H17
H20 H20