Atom Nomenclature for ST9

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 ST9

Atom Name (V3) Atom Name (V2)
C1 C1
C2 C2
O2 O2
C3 C3
C4 C4
C5 C5
C6 C6
C7 C7
C8 C8
C9 C9
C10 C10
C11 C11
C12 C12
C13 C13
C14 C14
C15 C15
C16 C16
C17 C17
C18 C18
N1A N1A
O1A O1A
P1A P1A
C1B C1B
S1P S1P
C2A C2A
O2A O2A
P2A P2A
C2B C2B
O2B O2B
C2P C2P
N3A N3A
O3A O3A
C3B C3B
O3B O3B
P3B P3B
C3P C3P
C4A C4A
O4A O4A
C4B C4B
O4B O4B
N4P N4P
C5A C5A
O5A O5A
C5B C5B
O5B O5B
C5P C5P
O5P O5P
C6A C6A
N6A N6A
O6A O6A
C6P C6P
N7A N7A
O7A O7A
C7P C7P
C8A C8A
O8A O8A
N8P N8P
N9A N9A
O9A O9A
C9P C9P
O9P O9P
CAP CAP
OAP OAP
CBP CBP
CCP CCP
CDP CDP
CEP CEP
H2 H2
H2A H2A
H3 H3
H3A H3A
H4 H4
H4A H4A
H5 H5
H5A H5A
H6 H6
H6A H6A
H7 H7
H7A H7A
H8 H8
H8A H8A
H9 H9
H9A H9A
H10 H10
H10A H10A
H11 H11
H11A H11A
H12 H12
H12A H12A
H13 H13
H13A H13A
H14 H14
H14A H14A
H15 H15
H15A H15A
H16 H16
H16A H16A
H17 H17
H17A H17A
H18 H18
H18A H18A
H18B H18B
H1B H1B
H2AA H2AA
HO2A HO2A
H2B H2B
HO2B HO2B
H2P H2P
H2PA H2PA
H3B H3B
H3P H3P
H3PA H3PA
HO4A HO4A
H4B H4B
HN4P HN4P
H5B H5B
H5BA H5BA
HN6A HN6A
HN6B HN6B
H6P H6P
H6PA H6PA
HO7A HO7A
H7P H7P
H7PA H7PA
H8AA H8AA
HO8A HO8A
HN8P HN8P
HAP HAP
HOAP HOAP
HCP HCP
HCPA HCPA
HDP HDP
HDPA HDPA
HDPB HDPB
HEP HEP
HEPA HEPA
HEPB HEPB