Atom Nomenclature for 1P2

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 1P2

Atom Name (V3) Atom Name (V2)
C C
N N
O O
C1 C1
N1 N1
O1 O1
C2 C2
N2 N2
O2 O2
C3 C3
N3 N3
O3 O3
C4 C4
N4 N4
O4 O4
C5 C5
N5 N5
O5 O5
C6 C6
O6 O6
C7 C7
N7 N7
O7 O7
C8 C8
N8 N8
O8 O8
C9 C9
N9 N9
O9 O9
C10 C10
N10 N10
C11 C11
N11 N11
C12 C12
N12 N12
C13 C13
N13 N13
C14 C14
N14 N14
C15 C15
N15 N15
C16 C16
N16 N16
C17 C17
N17 N17
C18 C18
C19 C19
N19 N19
C20 C20
N20 N20
C21 C21
N21 N21
C22 C22
N22 N22
C23 C23
N23 N23
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
C42 C42
C43 C43
C44 C44
C45 C45
C46 C46
C47 C47
C48 C48
C49 C49
C50 C50
C51 C51
C60 C60
C61 C61
HN HN
H2 H2
HN2 HN2
H3 H3
H4 H4
H4A H4A
H4B H4B
HN4 HN4
HN7 HN7
H8 H8
H9 H9
H9A H9A
H9B H9B
HN10 HN10
H11 H11
HN11 HN11
HN1A HN1A
HN12 HN12
H14 H14
HN14 HN14
H15 H15
H15A H15A
H15B H15B
HN16 HN16
HN19 HN19
H20 H20
H21 H21
H21A H21A
H21B H21B
HN22 HN22
H23 H23
H23A H23A
HN23 HN23
HN2A HN2A
H24 H24
H25 H25
H25A H25A
H28 H28
H29 H29
H30 H30
H30A H30A
H30B H30B
H33 H33
H35 H35
H36 H36
H36A H36A
H36B H36B
H40 H40
H41 H41
H41A H41A
H41B H41B
H46 H46
H47 H47
H47A H47A
H47B H47B
H49 H49
H49A H49A
H50 H50
H51 H51
H51A H51A
H60 H60
H61 H61