Atom Nomenclature for 750

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 750

Atom Name (V3) Atom Name (V2)
C1 C1
O2 O2
C3 C3
C4 C4
N5 N5
C6 C6
C7 C7
C8 C8
O9 O9
C10 C10
C11 C11
C12 C12
C13 C13
C14 C14
C15 C15
C16 C16
C17 C17
O18 O18
C19 C19
O20 O20
N21 N21
C22 C22
C23 C23
C24 C24
C25 C25
C26 C26
C27 C27
O28 O28
N29 N29
C30 C30
O32 O32
C33 C33
N34 N34
C35 C35
C36 C36
C37 C37
C38 C38
O39 O39
C40 C40
C41 C41
C42 C42
C43 C43
C44 C44
C45 C45
C46 C46
C47 C47
C48 C48
C49 C49
C50 C50
C51 C51
N52 N52
C31 C31
HC11 1HC1
HC12 2HC1
HC31 1HC3
HC32 2HC3
HC41 1HC4
HC42 2HC4
HC61 1HC6
HC62 2HC6
HC71 1HC7
HC72 2HC7
HC81 1HC8
HC82 2HC8
H11 H11
H14 H14
H15 H15
H16 H16
H21 H21
H22 H22
H231 1H23
H232 2H23
H24 H24
H251 1H25
H252 2H25
H253 3H25
H261 1H26
H262 2H26
H263 3H26
H29 H29
H30 H30
H331 1H33
H332 2H33
H351 1H35
H352 2H35
H361 1H36
H362 2H36
H371 1H37
H372 2H37
H401 1H40
H402 2H40
H42 H42
H43 H43
H44 H44
H46 H46
H48 H48
H49 H49
H50 H50
H51 H51