Atom Nomenclature for OBV

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 OBV

Atom Name (V3) Atom Name (V2)
O2C O2C
CCC CCC
O1C O1C
CBC CBC
CAC CAC
C3C C3C
C4C C4C
CHD CHD
C2C C2C
CDC CDC
C1C C1C
NC NC
FE FE
ND ND
C1D C1D
C2D C2D
CAD CAD
CBD CBD
CCD CCD
O1D O1D
O2D O2D
C4D C4D
C3D C3D
CDD CDD
CHC CHC
C4B C4B
C3B C3B
CAB CAB
CBB CBB
CCB CCB
O1B O1B
O2B O2B
C2B C2B
CMB CMB
CDB CDB
CEB CEB
O3B O3B
O4B O4B
C1B C1B
NB NB
CHB CHB
C4A C4A
NA NA
C1A C1A
CHA CHA
C2A C2A
CMA CMA
CDA CDA
CEA CEA
O3A O3A
O4A O4A
C3A C3A
CAA CAA
CBA CBA
CCA CCA
O2A O2A
O1A O1A
H1C H1C
HBC1 HBC1
HBC2 HBC2
HAC1 HAC1
HAC2 HAC2
HHD HHD
HDC1 HDC1
HDC2 HDC2
HDC3 HDC3
HHC HHC
HAD1 HAD1
HAD2 HAD2
HBD1 HBD1
HBD2 HBD2
H1D H1D
HHA HHA
HDD1 HDD1
HDD2 HDD2
HDD3 HDD3
H3B H3B
HAB1 HAB1
HAB2 HAB2
HBB1 HBB1
HBB2 HBB2
H1B H1B
HMB1 HMB1
HMB2 HMB2
HMB3 HMB3
HDB1 HDB1
HDB2 HDB2
H4B H4B
HHB HHB
H3A H3A
HMA1 HMA1
HMA2 HMA2
HMA3 HMA3
HDA1 HDA1
HDA2 HDA2
HB HB
HAA1 HAA1
HAA2 HAA2
HBA1 HBA1
HBA2 HBA2
H1A H1A