Atom Nomenclature for L4C

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 L4C

Atom Name (V3) Atom Name (V2)
O17 O17
C9 C9
O16 O16
C10 C10
C11 C11
C8 C8
C12 C12
O19 O19
O18 O18
N1 N1
O13 O13
C5 C5
C3 C3
N2 N2
C6 C6
C7 C7
O15 O15
C4 C4
O14 O14
OXT OXT
H17 H17
H101 1H10
H102 2H10
H111 1H11
H112 2H11
H18 H18
H5C1 1H5C
H5C2 2H5C
H3 H3
H2 H2
H7C1 1H7C
H7C2 2H7C
H7C3 3H7C
HOT HOT