Atom Nomenclature for LEF

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 LEF

Atom Name (V3) Atom Name (V2)
CD1 CD1
CD2 CD2
CG CG
CB CB
N N
CA CA
C C
O O
F1 F1
OXT OXT
HD12 1HD1
HD13 2HD1
HD21 1HD2
HD22 2HD2
HD23 3HD2
HG HG
HB3 1HBC
HB2 2HBC
H 1HN
H2 2HN
HA HA
HXT HXT