Atom Nomenclature for CIS

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 CIS

Atom Name (V3) Atom Name (V2)
C17 C17
C16 C16
C15 C15
C14 C14
C13 C13
C12 C12
C11 C11
C10 C10
C9 C9
C8 C8
C7 C7
C6 C6
C5 C5
C4 C4
C3 C3
C2 C2
O1 O1
C1 C1
C C
O O
C43 C43
C44 C44
O3 O3
O6 O6
C47 C47
C48 C48
O7 O7
C46 C46
O5 O5
C45 C45
O4 O4
S S
O10 O10
O9 O9
O8 O8
N N
C18 C18
O2 O2
C19 C19
C20 C20
C21 C21
C22 C22
C23 C23
C24 C24
C25 C25
C26 C26
C27 C27
C28 C28
C29 C29
C30 C30
C31 C31
C32 C32
C33 C33
C34 C34
C35 C35
C36 C36
C37 C37
C38 C38
C39 C39
C40 C40
C41 C41
H171 1H17
H172 2H17
H173 3H17
H161 1H16
H162 2H16
H151 1H15
H152 2H15
H141 1H14
H142 2H14
H131 1H13
H132 2H13
H121 1H12
H122 2H12
H111 1H11
H112 2H11
H101 1H10
H102 2H10
H91 1H9
H92 2H9
H81 1H8
H82 2H8
H71 1H7
H72 2H7
H61 1H6
H62 2H6
H51 1H5
H52 2H5
H4 H4
H3 H3
H2 H2
HO1 HO1
H1 H1
H1A 1H
H2A 2H
H43 H43
H44 H44
HO3 HO3
H47 H47
H481 1H48
H482 2H48
HO7 HO7
H46 H46
HO5 HO5
H45 H45
H10 H10
HN HN
H191 1H19
H192 2H19
H201 1H20
H202 2H20
H211 1H21
H212 2H21
H221 1H22
H222 2H22
H231 1H23
H232 2H23
H241 1H24
H242 2H24
H251 1H25
H252 2H25
H261 1H26
H262 2H26
H271 1H27
H272 2H27
H281 1H28
H282 2H28
H291 1H29
H292 2H29
H301 1H30
H302 2H30
H311 1H31
H312 2H31
H32 H32
H33 H33
H341 1H34
H342 2H34
H351 1H35
H352 2H35
H361 1H36
H362 2H36
H371 1H37
H372 2H37
H381 1H38
H382 2H38
H391 1H39
H392 2H39
H401 1H40
H402 2H40
H411 1H41
H412 2H41
H413 3H41