Atom Nomenclature for CXG

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 CXG

Atom Name (V3) Atom Name (V2)
CAA CAA
CBK CBK
OAI OAI
N N
CA CA
CB CB
CG1 CG1
CAE CAE
CG2 CG2
C C
O O
NBG NBG
CBA CBA
CBO CBO
CAT CAT
CAP CAP
CAN CAN
CAQ CAQ
CAU CAU
OAM OAM
CBC CBC
NBW NBW
NBH NBH
CBN CBN
OAL OAL
CBV CBV
CBY CBY
CAF CAF
CAG CAG
CAH CAH
NBF NBF
CBL CBL
OAJ OAJ
OBJ OBJ
CAB CAB
CBB CBB
CBP CBP
CAW CAW
CAY CAY
CAX CAX
CAZ CAZ
CBQ CBQ
CBR CBR
CAV CAV
C1 C1
CAR CAR
C9 C9
CAO CAO
C24 C24
CAS CAS
C53 C53
HAA1 HAA1
HAA2 HAA2
H241 H241
H242 H242
H H
HA HA
HAE1 HAE1
HAE2 HAE2
HAE3 HAE3
HG21 HG21
HG22 HG22
HG23 HG23
HG11 HG11
HG12 HG12
HG13 HG13
HBG HBG
H91C H91C
H92C H92C
H93C H93C
HBA1 HBA1
HBA2 HBA2
HAT HAT
HAU HAU
HAP HAP
HAN HAN
HAQ HAQ
HAM HAM
HBC1 HBC1
HBC2 HBC2
HBH HBH
HBB1 HBB1
HBB2 HBB2
HBV HBV
HBF HBF
HAH1 HAH1
HAH2 HAH2
HAH3 HAH3
HAF1 HAF1
HAF2 HAF2
HAF3 HAF3
HAG1 HAG1
HAG2 HAG2
HAG3 HAG3
HAB1 HAB1
HAB2 HAB2
HAB3 HAB3
HAW HAW
HAX HAX
HAY HAY
HAZ HAZ
HAV HAV
H53 H53
HAR HAR
HAO HAO
HAS HAS