Atom Nomenclature for CNQ

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 CNQ

Atom Name (V3) Atom Name (V2)
C1 C1
C2 C2
C3 C3
C4 C4
C5 C5
C6 C6
N7 N7
C8 C8
C9 C9
N10 N10
C11 C11
N12 N12
O13 O13
C14 C14
C15 C15
C16 C16
C17 C17
C18 C18
C19 C19
CL24 CL24
H1 H1
H2 H2
H6 H6
H8 H8
H121 1H12
H122 2H12
H15 H15
H16 H16
H18 H18
H19 H19