Atom Nomenclature for UMQ

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 UMQ

Atom Name (V3) Atom Name (V2)
C2 C2
C4 C4
C5 C5
C6 C6
O2 O2
O4 O4
C1 C1
C3 C3
O1 O1
O3 O3
O5 O5
O6 O6
C1' C1'
C2' C2'
C3' C3'
C4' C4'
C5' C5'
C6' C6'
O1' O1'
O3' O3'
O5' O5'
O6' O6'
O2' O2'
CA CA
CB CB
CC CC
CD CD
CF CF
CG CG
CH CH
CI CI
CJ CJ
CK CK
CL CL
H21 1H2
H41 1H4
H51 1H5
H61 1H6
H62 2H6
HO21 1HO2
HO41 1HO4
H11 1H1
H31 1H3
HO31 1HO3
HO61 1HO6
H1'1 1H1'
H2'1 1H2'
H3'1 1H3'
H4'1 1H4'
H5'1 1H5'
H6'1 1H6'
H6'2 2H6'
HO3' 'HO3
HO6' 'HO6
HO2' 'HO2
HA1 1HA
HA2 2HA
HB1 1HB
HB2 2HB
HC1 1HC
HC2 2HC
HD1 1HD
HD2 2HD
HF1 1HF
HF2 2HF
HG1 1HG
HG2 2HG
HH1 1HH
HH2 2HH
HI1 1HI
HI2 2HI
HJ1 1HJ
HJ2 2HJ
HK1 1HK
HK2 2HK
HL1 1HL
HL2 2HL
HL3 3HL