Atom Nomenclature for C41

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 C41

Atom Name (V3) Atom Name (V2)
C1 C1
O2 O2
C3 C3
C4 C4
C5 C5
O6 O6
C7 C7
C8 C8
C9 C9
C10 C10
C11 C11
C12 C12
O13 O13
C14 C14
C15 C15
C16 C16
C17 C17
C18 C18
C19 C19
C20 C20
C21 C21
N22 N22
C23 C23
O24 O24
C25 C25
C26 C26
C27 C27
C28 C28
C29 C29
C30 C30
O31 O31
N32 N32
C33 C33
C34 C34
C35 C35
C36 C36
C37 C37
O38 O38
N39 N39
H1C1 1H1C
H1C2 2H1C
H1C3 3H1C
H3C1 1H3C
H3C2 2H3C
H4C1 1H4C
H4C2 2H4C
H5C1 1H5C
H5C2 2H5C
H8 H8
H10 H10
H151 1H15
H152 2H15
H11 H11
H141 1H14
H142 2H14
H143 3H14
H16 H16
H17 H17
H201 1H20
H202 2H20
H181 1H18
H182 2H18
H183 3H18
H191 1H19
H192 2H19
H193 3H19
H21 H21
H221 1H22
H222 2H22
H23 H23
H24 H24
H251 1H25
H252 2H25
H26 H26
H27 H27
H281 1H28
H282 2H28
H283 3H28
H291 1H29
H292 2H29
H293 3H29
H32 H32
H331 1H33
H332 2H33
H351 1H35
H352 2H35
H353 3H35
H361 1H36
H362 2H36
H363 3H36
H391 1H39
H392 2H39