Atom Nomenclature for EGG

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 EGG

Atom Name (V3) Atom Name (V2)
O1 O1
C2 C2
C3 C3
C4 C4
C5 C5
C6 C6
C7 C7
C8 C8
C9 C9
C10 C10
C11 C11
C12 C12
C13 C13
C14 C14
C15 C15
C16 C16
O17 O17
C18 C18
O18 O18
C19 C19
O19 O19
C20 C20
O20 O20
C21 C21
O21 O21
C22 C22
O22 O22
C23 C23
O23 O23
C24 C24
O24 O24
O25 O25
O26 O26
H2 H2
H3 H3
H4 H4
H4A H4A
H7 H7
H9 H9
H12 H12
H16 H16
HO18 HO18
HO19 HO19
H20 H20
HO20 HO20
HO21 HO21
HO22 HO22
H24 H24
HO24 HO24
HO25 HO25
HO26 HO26