Atom Nomenclature for TPW

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 TPW

Atom Name (V3) Atom Name (V2)
C2A C2A
C35 C35
C2 C2
S1 S1
C5 C5
C4 C4
C4A C4A
C5A C5A
C5B C5B
O5G O5G
P1 P1
O11 O11
O12 O12
O13 O13
P2 P2
O21 O21
O22 O22
O23 O23
N1' N1*
C2' C2*
N3' N3*
C4' C4*
N4' N4*
C5' C5*
C6' C6*
C3 C3
H2A1 1H2A
H2A2 2H2A
H2A3 3H2A
H351 1H35
H352 2H35
H2 H2
H5A1 1H5A
H5A2 2H5A
H4A1 1H4A
H4A2 2H4A
H4A3 3H4A
H5B1 1H5B
H5B2 2H5B
H12 H12
H21 H21
H23 H23
H6' H6*
H4'1 1H4*
H4'2 2H4*