Atom Nomenclature for LMN

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 LMN

Atom Name (V3) Atom Name (V2)
C1 C1
O1 O1
C2 C2
O2 O2
C3 C3
O3 O3
C4 C4
O4 O4
C5 C5
O5 O5
C6 C6
O6 O6
CAA CAA
CAB CAB
OAI OAI
OAJ OAJ
OAL OAL
OAN OAN
OAP OAP
OAQ OAQ
OAR OAR
OAS OAS
OAT OAT
OAU OAU
OAV OAV
CAW CAW
CAX CAX
CAY CAY
CAZ CAZ
CBA CBA
CBB CBB
CBC CBC
CBD CBD
CBE CBE
CBF CBF
CBG CBG
CBH CBH
CBI CBI
CBJ CBJ
CBK CBK
CBL CBL
CBM CBM
CBN CBN
CBP CBP
CBQ CBQ
CBR CBR
CBS CBS
CBT CBT
OBV OBV
OBX OBX
OBY OBY
OBZ OBZ
OCB OCB
CCC CCC
CCD CCD
CCF CCF
CCH CCH
CCJ CCJ
CCL CCL
CCM CCM
CCN CCN
CCO CCO
CCQ CCQ
CCR CCR
CCS CCS
CCT CCT
CCU CCU
CCV CCV
CCW CCW
H1 H1
H4 H4
H5 H5
H2 H2
HO2 HO2
H3 H3
HO3 HO3
H6 H6
H6A H6A
HBP HBP
HBPA HBPA
HBQ HBQ
HBQA HBQA
HBR HBR
HBRA HBRA
HBS HBS
HBSA HBSA
HBT HBT
HBTA HBTA
HOAI HOAI
HOAJ HOAJ
HO6 HO6
HOAL HOAL
HOAN HOAN
HOAP HOAP
HOAQ HOAQ
HOAR HOAR
HOAS HOAS
HOAT HOAT
HOAU HOAU
HOAV HOAV
HAX HAX
HAXA HAXA
HAY HAY
HAYA HAYA
HAZ HAZ
HAZA HAZA
HAA HAA
HAAA HAAA
HAAB HAAB
HAB HAB
HABA HABA
HABB HABB
HAW HAW
HAWA HAWA
HBN HBN
HBNA HBNA
HBA HBA
HBAA HBAA
HBB HBB
HBBA HBBA
HBC HBC
HBCA HBCA
HBD HBD
HBDA HBDA
HBE HBE
HBEA HBEA
HBF HBF
HBFA HBFA
HBG HBG
HBGA HBGA
HBH HBH
HBHA HBHA
HBI HBI
HBIA HBIA
HBJ HBJ
HBJA HBJA
HBK HBK
HBKA HBKA
HBL HBL
HBLA HBLA
HBM HBM
HBMA HBMA
HCC HCC
HCD HCD
HCF HCF
HCH HCH
HCJ HCJ
HCL HCL
HCQ HCQ
HCR HCR
HCS HCS
HCN HCN
HCO HCO
HCT HCT
HCU HCU
HCV HCV
HCW HCW