Atom Nomenclature for TDL

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 TDL

Atom Name (V3) Atom Name (V2)
O1B O1B
PB PB
O2B O2B
O3B O3B
O3A O3A
PA PA
O1A O1A
O2A O2A
O7 O7
C7 C7
C6 C6
C5 C5
S1 S1
C4 C4
CM4 CM4
N3 N3
C2 C2
CLA CLA
OL1 OL1
CLB CLB
CLC CLC
OL2 OL2
OL3 OL3
C7' C7*
C5' C5*
C6' C6*
N1' N1*
C2' C2*
CM2 CM2
N3' N3*
C4' C4*
N4' N4*
H2B H2B
H3B H3B
H2A H2A
H71 1H7
H72 2H7
H61 1H6
H62 2H6
HM41 1HM4
HM42 2HM4
HM43 3HM4
HL1 HL1
HLB1 1HLB
HLB2 2HLB
HLB3 3HLB
HL2 HL2
H7'1 1H7*
H7'2 2H7*
H6' H6*
HM21 1HM2
HM22 2HM2
HM23 3HM2
H4'1 1H4*
H4'2 2H4*