Atom Nomenclature for R37

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 R37

Atom Name (V3) Atom Name (V2)
C C
C8 C8
C9 C9
C10 C10
C13 C13
C14 C14
C3 C3
C2 C2
C16 C16
C26 C26
C27 C27
C28 C28
C29 C29
N1 N1
C30 C30
O1 O1
C34 C34
C25 C25
O26 O26
N16 N16
C15 C15
O14 O14
C12 C12
C4 C4
C5 C5
C6 C6
C11 C11
C7 C7
N3 N3
C1 C1
O2 O2
C17 C17
C18 C18
C19 C19
C20 C20
C21 C21
C22 C22
C23 C23
C24 C24
H101 1H10
H131 1H13
H141 1H14
H31 1H3
H32 2H3
H33 3H3
H21 1H2
H22 2H2
H23 3H2
H261 1H26
H271 1H27
H291 1H29
H11 1H1
H12 2H1
H301 1H30
H341 1H34
H342 2H34
H161 1H16
H151 1H15
H14O OH14
H121 1H12
H122 2H12
H41 1H4
H51 1H5
H52 2H5
H61 1H6
H111 1H11
H112 2H11
H113 3H11
H71 1H7
H72 2H7
H73 3H7
HN31 1HN3
H171 1H17
H181 1H18
H182 2H18
H201 1H20
H211 1H21
H221 1H22
H231 1H23
H241 1H24