Atom Nomenclature for HRI

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 HRI

Atom Name (V3) Atom Name (V2)
CZ CZ
CH1 CH1
CF1 CF1
CI1 CI1
CI2 CI2
CH2 CH2
OF2 OF2
OF3 OF3
CL CL
HCZ HCZ
HCH1 1HCH
HCH2 2HCH
HCF1 1HCF
HI11 1HI1
HI12 2HI1
HI13 3HI1
HI21 1HI2
HI22 2HI2
HI23 3HI2
HOF3 HOF3