Atom Nomenclature for BCD

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 BCD

Atom Name (V3) Atom Name (V2)
C11 C1
C21 C2
C31 C3
C41 C4
C51 C5
C61 C6
O21 O1
O31 O2
O41 O3
O51 O4
O61 O5
C12 C7
C22 C8
C32 C9
C42 C10
C52 C11
C62 C12
O22 O6
O32 O7
O42 O8
O52 O9
O62 O10
C13 C13
C23 C14
C33 C15
C43 C16
C53 C17
C63 C18
O23 O11
O33 O12
O43 O13
O53 O14
O63 O15
C14 C19
C24 C20
C34 C21
C44 C22
C54 C23
C64 C24
O24 O16
O34 O17
O44 O18
O54 O19
O64 O20
C15 C25
C25 C26
C35 C27
C45 C28
C55 C29
C65 C30
O25 O21
O35 O22
O45 O23
O55 O24
O65 O25
C16 C31
C26 C32
C36 C33
C46 C34
C56 C35
C66 C36
O26 O26
O36 O27
O46 O28
O56 O29
O66 O30
C17 C37
C27 C38
C37 C39
C47 C40
C57 C41
C67 C42
O27 O31
O37 O32
O47 O33
O57 O34
O67 O35
H11 H1
H21 H2
H31 H4
H41 H6
H51 H7
H611 H8
H612 H9
HO21 H3
HO31 H5
HO61 H10
H12 H11
H22 H12
H32 H14
H42 H16
H52 H17
H621 H18
H622 H19
HO22 H13
HO32 H15
HO62 H20
H13 H21
H23 H22
H33 H24
H43 H26
H53 H27
H631 H29
H632 H28
HO23 H23
HO33 H25
HO63 H30
H14 H31
H24 H32
H34 H34
H44 H36
H54 H37
H641 H39
H642 H38
HO24 H33
HO34 H35
HO64 H40
H15 H41
H25 H42
H35 H44
H45 H46
H55 H47
H651 H48
H652 H49
HO25 H43
HO35 H45
HO65 H50
H16 H51
H26 H52
H36 H54
H46 H56
H56 H57
H661 H59
H662 H58
HO26 H53
HO36 H55
HO66 H60
H17 H61
H27 H62
H37 H64
H47 H66
H57 H67
H671 H68
H672 H69
HO27 H63
HO37 H65
HO67 H70