Atom Nomenclature for PC1

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 PC1

Atom Name (V3) Atom Name (V2)
O12 O12
P P
O14 O14
O13 O13
C11 C11
C12 C12
N N
C13 C13
C14 C14
C15 C15
O11 O11
C1 C1
C2 C2
O21 O21
C21 C21
O22 O22
C22 C22
C23 C23
C24 C24
C25 C25
C26 C26
C27 C27
C28 C28
C29 C29
C2A C2A
C2B C2B
C2C C2C
C2D C2D
C2E C2E
C2F C2F
C2G C2G
C2H C2H
C2I C2I
C3 C3
O31 O31
C31 C31
O32 O32
C32 C32
C33 C33
C34 C34
C35 C35
C36 C36
C37 C37
C38 C38
C39 C39
C3A C3A
C3B C3B
C3C C3C
C3D C3D
C3E C3E
C3F C3F
C3G C3G
C3H C3H
C3I C3I
H111 1H11
H112 2H11
H121 1H12
H122 2H12
H131 1H13
H132 2H13
H133 3H13
H141 1H14
H142 2H14
H143 3H14
H151 1H15
H152 2H15
H153 3H15
H11 1H1
H12 2H1
H2 H2
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
H2A1 1H2A
H2A2 2H2A
H2B1 1H2B
H2B2 2H2B
H2C1 1H2C
H2C2 2H2C
H2D1 1H2D
H2D2 2H2D
H2E1 1H2E
H2E2 2H2E
H2F1 1H2F
H2F2 2H2F
H2G1 1H2G
H2G2 2H2G
H2H1 1H2H
H2H2 2H2H
H2I1 1H2I
H2I2 2H2I
H2I3 3H2I
H31 1H3
H32 2H3
H321 1H32
H322 2H32
H331 1H33
H332 2H33
H341 1H34
H342 2H34
H351 1H35
H352 2H35
H361 1H36
H362 2H36
H371 1H37
H372 2H37
H381 1H38
H382 2H38
H391 1H39
H392 2H39
H3A1 1H3A
H3A2 2H3A
H3B1 1H3B
H3B2 2H3B
H3C1 1H3C
H3C2 2H3C
H3D1 1H3D
H3D2 2H3D
H3E1 1H3E
H3E2 2H3E
H3F1 1H3F
H3F2 2H3F
H3G1 1H3G
H3G2 2H3G
H3H1 1H3H
H3H2 2H3H
H3I1 1H3I
H3I2 2H3I
H3I3 3H3I