Atom Nomenclature for SIM

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 SIM

Atom Name (V3) Atom Name (V2)
O1A O1A
O1B O1B
O3 O3
O5 O5
O14 O14
O18 O18
C1 C1
C2 C2
C3 C3
C4 C4
C5 C5
C6 C6
C7 C7
C8 C8
C9 C9
C10 C10
C11 C11
C12 C12
C17 C17
C16 C16
C15 C15
C14 C14
C13 C13
C9A C9A
C18 C18
C19 C19
C20 C20
C21 C21
C22 C22
C23 C23
C24 C24
H1B H1B
HO3 HO3
HO5 HO5
H21 H21
H22 H22
H3 H3
H41 H41
H42 H42
H5 H5
H61 H61
H62 H62
H71 H71
H72 H72
H8 H8
H9 H9
H10 H10
H11 H11
H17 H17
H16 H16
H151 H151
H152 H152
H14 H14
H13 H13
H9A1 H9A1
H9A2 H9A2
H9A3 H9A3
H201 H201
H202 H202
H211 H211
H212 H212
H213 H213
H221 H221
H222 H222
H223 H223
H231 H231
H232 H232
H233 H233
H241 H241
H242 H242
H243 H243