Atom Nomenclature for BBH

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 BBH

Atom Name (V3) Atom Name (V2)
C1 C1
C2 C2
C3 C3
C4 C4
C5 C5
C6 C6
O7 O7
C8 C8
S9 S9
O10 O10
O11 O11
N12 N12
C13 C13
C14 C14
C15 C15
N16 N16
C17 C17
O18 O18
C C
NA NA
OA OA
OB OB
C7 C7
C9 C9
C10 C10
C11 C11
C12 C12
C16 C16
C18 C18
HC21 1HC2
HC31 1HC3
HC51 1HC5
HC61 1HC6
HC81 1HC8
HC82 2HC8
HC83 3HC8
H131 1H13
H141 1H14
H142 2H14
H171 1H17
H172 2H17
HNA HNA
HOA HOA
HC71 1HC7
HC72 2HC7
HC91 1HC9
H101 1H10
H121 1H12
H161 1H16
H181 1H18