Atom Nomenclature for XMF

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 XMF

Atom Name (V3) Atom Name (V2)
C1 C1
C2 C2
C3 C3
C4 C4
C5 C5
C6 C6
CL7 CL7
C8 C8
C9 C9
C10 C10
C11 C11
S12 S12
O13 O13
C14 C14
C15 C15
N16 N16
C17 C17
O18 O18
C19 C19
N20 N20
O21 O21
C22 C22
C23 C23
N24 N24
C25 C25
C26 C26
C27 C27
C28 C28
C29 C29
C30 C30
C31 C31
O32 O32
C33 C33
N34 N34
C35 C35
C36 C36
H1 H1
H4 H4
H5 H5
H18 H18
H9 H9
H10 H10
H141 1H14
H142 2H14
H151 1H15
H152 2H15
H191 1H19
H192 2H19
H221 1H22
H222 2H22
H23 H23
H26 H26
H271 1H27
H272 2H27
H28 H28
H291 1H29
H292 2H29
H311 1H31
H312 2H31
H32 H32
H331 1H33
H332 2H33
H35 H35
H361 1H36
H362 2H36