Atom Nomenclature for S52

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 S52

Atom Name (V3) Atom Name (V2)
C1 C1
O1 O1
C2 C2
C3 C3
C4 C4
C5 C5
C6 C6
N12 N12
C13 C13
C14 C14
C15 C15
C16 C16
C17 C17
C18 C18
C19 C19
C20 C20
C26 C26
C29 C29
C30 C30
C31 C31
C32 C32
C33 C33
C39 C39
N40 N40
O41 O41
C42 C42
C43 C43
N44 N44
C45 C45
C46 C46
H1 H1
H2 H2
H3 H3
H5 H5
H6 H6
H17 H17
H18 H18
H19 H19
H20 H20
H29 H29
H30 H30
H31 H31
H32 H32
H33 H33
H42 H42
H42A H42A
H43 H43
H43A H43A
HN44 HN44
H45 H45
H45A H45A
H46 H46
H46A H46A