Atom Nomenclature for 4HK

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 4HK

Atom Name (V3) Atom Name (V2)
N1 N1
C1 C1
C2 C2
N2 N2
C6 C6
C5 C5
C4 C4
C3 C3
C7 C7
C9 C9
C10 C10
C11 C11
C22 C22
C8 C8
N4 N4
N3 N3
C21 C21
C18 C18
C19 C19
C20 C20
C13 C13
C12 C12
O1 O1
C14 C14
C17 C17
O2 O2
C16 C16
C15 C15
H4 H4
H3 H3
H2 H2
H5 H5
H6 H6
H1 H1
H17 H17
H16 H16
H15 H15
H201 H201
H202 H202
H203 H203
H7 H7
H8 H8
H14 H14
H13 H13
H12 H12
H11 H11
H9 H9
H10 H10