Atom Nomenclature for IDN

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 IDN

Atom Name (V3) Atom Name (V2)
C01 C01
C02 C02
C03 C03
C04 C04
C05 C05
N06 N06
C07 C07
C08 C08
C09 C09
O10 O10
N11 N11
C12 C12
C13 C13
C14 C14
C15 C15
N16 N16
C17 C17
C18 C18
N19 N19
C20 C20
C21 C21
C22 C22
C23 C23
C24 C24
C25 C25
C26 C26
C27 C27
O28 O28
H03 H03
H05 H05
H07 H07
H08 H08
H121 1H12
H122 2H12
H123 3H12
H131 1H13
H132 2H13
H15 H15
H19 H19
H201 1H20
H202 2H20
H203 3H20
H21 H21
H22 H22
H23 H23
H24 H24
H251 1H25
H252 2H25
H261 1H26
H262 2H26