Atom Nomenclature for OL2

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 OL2

Atom Name (V3) Atom Name (V2)
C01 C01
C02 C02
O03 O03
C04 C04
C05 C05
C06 C06
C07 C07
N08 N08
C09 C09
C10 C10
C11 C11
C12 C12
O13 O13
C14 C14
C15 C15
O16 O16
C17 C17
C18 C18
O19 O19
C20 C20
C21 C21
C22 C22
N23 N23
C24 C24
N25 N25
C26 C26
C27 C27
C28 C28
C29 C29
O30 O30
O31 O31
H011 H011
H012 H012
H013 H013
H021 H021
H022 H022
H05 H05
H26 H26
H22 H22
H11 H11
H21 H21
H141 H141
H142 H142
H143 H143
H171 H171
H172 H172
H173 H173
H201 H201
H202 H202
H203 H203
H251 H251
H252 H252
H27 H27
H31 H31