Atom Nomenclature for SNY

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 SNY

Atom Name (V3) Atom Name (V2)
C1 C1
C2 C2
C3 C3
O3 O3
C4 C4
O4 O4
C5 C5
O5 O5
C6 C6
C7 C7
C8 C8
C9 C9
O9 O9
C3M C3M
C5M C5M
H2 H2
HO4 HO4
H6 H6
H7 H7
H8 H8
H9 H9
H3M H3M
H3MA H3MA
H3MB H3MB
H5M H5M
H5MA H5MA
H5MB H5MB