Atom Nomenclature for LS3

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 LS3

Atom Name (V3) Atom Name (V2)
O5 O5
C6 C6
N7 N7
C8 C8
C9 C9
C10 C10
C11 C11
C12 C12
O13 O13
C14 C14
N15 N15
C16 C16
C17 C17
C18 C18
C19 C19
C20 C20
N21 N21
C22 C22
C23 C23
C24 C24
C25 C25
S26 S26
O27 O27
O28 O28
C29 C29
C30 C30
C31 C31
C32 C32
H7N NH7
H91 1H9
H101 1H10
H141 1H14
H161 1H16
H171 1H17
H201 1H20
H21N NH21
H231 1H23
H251 1H25
H252 2H25
H291 1H29
H292 2H29
H311 1H31
H321 1H32