Atom Nomenclature for 2MQ

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 2MQ

Atom Name (V3) Atom Name (V2)
C2 C2
O19 O19
N3 N3
C4 C4
N20 N20
N5 N5
C6 C6
C10 C10
C16 C16
C17 C17
N18 N18
C9 C9
N11 N11
C12 C12
N14 N14
C15 C15
N13 N13
C8 C8
C7 C7
C1 C1
HN3 HN3
HN20 HN20
HN2A HN2A
H16 H16
H16A H16A
H17 H17
H17A H17A
HN18 HN18
HN1A HN1A
HN11 HN11
HN14 HN14
H15 H15
H15A H15A
H15B H15B
H7 H7