Atom Nomenclature for BB1

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 BB1

Atom Name (V3) Atom Name (V2)
C2 C2
C3 C3
C4 C4
O3 O3
N2 N2
C5 C5
C7 C7
C8 C8
C9 C9
C10 C10
N1 N1
C1 C1
O1 O1
O2 O2
C6 C6
N3 N3
C16 C16
C15 C15
O4 O4
C11 C11
C12 C12
C13 C13
C14 C14
H21 1H2
H22 2H2
H3 H3
HN2 HN2
H5 H5
H71 1H7
H72 2H7
H81 1H8
H82 2H8
H91 1H9
H92 2H9
H101 1H10
H102 2H10
H103 3H10
H1 H1
H2 H2
H161 1H16
H162 2H16
H163 3H16
H151 1H15
H152 2H15
H153 3H15
H121 1H12
H122 2H12
H123 3H12
H131 1H13
H132 2H13
H133 3H13
H141 1H14
H142 2H14
H143 3H14