Atom Nomenclature for B50

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 B50

Atom Name (V3) Atom Name (V2)
CAA CAA
OAB OAB
OAC OAC
OAD OAD
CLAE CLAE
CAF CAF
CAG CAG
CAH CAH
CAI CAI
CAJ CAJ
CAK CAK
CAL CAL
CAM CAM
CAN CAN
CAO CAO
CAP CAP
CAQ CAQ
CAR CAR
CAS CAS
CAT CAT
CAU CAU
CAV CAV
CAW CAW
CAX CAX
CAY CAY
NAZ NAZ
CBA CBA
CBB CBB
CBC CBC
CBD CBD
CBE CBE
CBF CBF
CBG CBG
CBH CBH
NBI NBI
NBJ NBJ
NBK NBK
HAA HAA
HAAA HAAA
HAAB HAAB
HOAC HOAC
HOAD HOAD
HAF HAF
HAG HAG
HAH HAH
HAI HAI
HAJ HAJ
HAK HAK
HAL HAL
HAM HAM
HAN HAN
HAO HAO
HAP HAP
HAPA HAPA
HAQ HAQ
HAQA HAQA
HAR HAR
HARA HARA
HAS HAS
HASA HASA
HAT HAT
HATA HATA
HAU HAU
HAUA HAUA
HAV HAV
HAVA HAVA
HAW HAW
HAWA HAWA
HAX HAX
HAXA HAXA
HAY HAY
HAYA HAYA
HNAZ HNAZ
HBH HBH