Atom Nomenclature for MK1

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 MK1

Atom Name (V3) Atom Name (V2)
N1 N1
C1 C1
C2 C2
C3 C3
O1 O1
N2 N2
C4 C4
C5 C5
C6 C6
C7 C7
N3 N3
C8 C8
C9 C9
C10 C10
C11 C11
O2 O2
C12 C12
C13 C13
C14 C14
C15 C15
C16 C16
C17 C17
C18 C18
C19 C19
C20 C20
C21 C21
O3 O3
N4 N4
C22 C22
C23 C23
O4 O4
C24 C24
C25 C25
C26 C26
C27 C27
C28 C28
C29 C29
C30 C30
C31 C31
C32 C32
C33 C33
N5 N5
C34 C34
C35 C35
C36 C36
H11A 1H1
H12 2H1
H2 H2
HN2 HN2
H51 1H5
H52 2H5
H53 3H5
H61 1H6
H62 2H6
H63 3H6
H71 1H7
H72 2H7
H73 3H7
H81 1H8
H82 2H8
H91 1H9
H92 2H9
H101 1H10
H102 2H10
H11 H11
HO2 HO2
H121 1H12
H122 2H12
H13 H13
H141 1H14
H142 2H14
H16 H16
H17 H17
H18 H18
H19 H19
H20 H20
HN4 HN4
H22 H22
H23 H23
HO4 HO4
H241 1H24
H242 2H24
H26 H26
H27 H27
H28 H28
H29 H29
H311 1H31
H312 2H31
H33 H33
H34 H34
H35 H35
H36 H36