Atom Nomenclature for E1S

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 E1S

Atom Name (V3) Atom Name (V2)
C1 C1
N1 N1
C2 C2
O2 O2
C3 C3
N3 N3
C4 C4
C5 C5
O5 O5
O6 O6
O7 O7
C13 C13
C14 C14
C15 C15
C16 C16
C17 C17
C18 C18
C19 C19
C20 C20
C21 C21
S23 S23
C24 C24
C27 C27
C30 C30
C31 C31
C35 C35
H1 H1
H1A H1A
HN1 HN1
H3 H3
H3A H3A
HN3 HN3
HN3A HN3A
H4 H4
H4A H4A
HO6 HO6
H14 H14
H14A H14A
H16 H16
H17 H17
H18 H18
H20 H20
H21 H21
H24 H24
H24A H24A
H24B H24B
H31 H31
H35 H35