Atom Nomenclature for A5B

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 A5B

Atom Name (V3) Atom Name (V2)
C26 C1
O2 O1
C24 C2
C25 C3
C23 C4
C27 C5
O4 O2
O3 O3
C22 C6
C21 C7
C20 C8
N4 N1
C12 C9
N3 N2
N2 N3
C11 C10
C10 C11
C9 C12
N1 N4
C13 C13
C14 C14
C19 C15
C18 C16
C17 C17
CL1 CL1
C16 C18
C15 C19
C8 C20
C7 C21
C6 C22
F1 F1
C5 C23
C4 C24
C3 C25
C2 C26
O1 O4
C1 C27
H1 H1
H2 H2
H3 H3
H4 H4
H5 H5
H6 H6
H7 H7
H8 H8
H9 H9
H10 H10
H11 H11
H12 H12
H13 H13
H14 H14
H15 H15
H16 H16
H17 H17
H18 H18
H19 H19
H20 H20