Atom Nomenclature for 4PI

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 4PI

Atom Name (V3) Atom Name (V2)
C1 C1
C2 C2
C3 C3
C7 C7
C8 C8
C9 C9
C10 C10
C11 C11
C21 C21
C22 C22
C24 C24
C27 C27
C31 C31
N12 N12
C23 C23
C25 C25
C26 C26
O32 O32
C37 C37
C4 C4
C5 C5
C6 C6
H2 H2
H3 H3
H71 1H7
H72 2H7
H81 1H8
H82 2H8
H9 H9
H101 1H10
H102 2H10
H111 1H11
H112 2H11
H22 H22
H24 H24
H271 1H27
H272 2H27
H273 3H27
H23 H23
H25 H25
H26 H26
H371 1H37
H372 2H37
H5 H5
H6 H6