Atom Nomenclature for KBI

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 KBI

Atom Name (V3) Atom Name (V2)
C1 C1
F1 F1
N1 N1
O1 O1
C2 C2
F2 F2
N2 N2
O2 O2
C3 C3
F3 F3
N3 N3
C4 C4
N4 N4
C5 C5
N5 N5
C6 C6
N6 N6
C7 C7
C8 C8
C9 C9
C10 C10
C11 C11
C12 C12
C13 C13
C14 C14
C15 C15
C16 C16
C17 C17
C18 C18
C19 C19
C20 C20
C21 C21
HO1 HO1
H4 H4
HN5 HN5
HN6 HN6
H7 H7
H8 H8
H8A H8A
H9 H9
H9A H9A
H10 H10
H11 H11
H11A H11A
H12 H12
H12A H12A
H13 H13
H14 H14
H14A H14A
H15 H15
H15A H15A
H16 H16
H16A H16A
H18 H18
H20 H20