Atom Nomenclature for CDL

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 CDL

Atom Name (V3) Atom Name (V2)
C1 C1
O1 O1
CA2 CA2
OA2 OA2
PA1 PA1
OA3 OA3
OA4 OA4
OA5 OA5
CA3 CA3
CA4 CA4
OA6 OA6
CA5 CA5
OA7 OA7
C11 C11
C12 C12
C13 C13
C14 C14
C15 C15
C16 C16
C17 C17
C18 C18
C19 C19
C20 C20
C21 C21
C22 C22
C23 C23
C24 C24
C25 C25
C26 C26
C27 C27
CA6 CA6
OA8 OA8
CA7 CA7
OA9 OA9
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
CB2 CB2
OB2 OB2
PB2 PB2
OB3 OB3
OB4 OB4
OB5 OB5
CB3 CB3
CB4 CB4
OB6 OB6
CB5 CB5
OB7 OB7
C51 C51
C52 C52
C53 C53
C54 C54
C55 C55
C56 C56
C57 C57
C58 C58
C59 C59
C60 C60
C61 C61
C62 C62
C63 C63
C64 C64
C65 C65
C66 C66
C67 C67
CB6 CB6
OB8 OB8
CB7 CB7
OB9 OB9
C71 C71
C72 C72
C73 C73
C74 C74
C75 C75
C76 C76
C77 C77
C78 C78
C79 C79
C80 C80
C81 C81
C82 C82
C83 C83
C84 C84
C85 C85
C86 C86
C87 C87
H1 H1
H1O1 H1O1
HA22 HA22
HA21 HA21
HA32 HA32
HA31 HA31
HA4 HA4
H112 H112
H111 H111
H122 H122
H121 H121
H132 H132
H131 H131
H142 H142
H141 H141
H152 H152
H151 H151
H162 H162
H161 H161
H172 H172
H171 H171
H182 H182
H181 H181
H192 H192
H191 H191
H202 H202
H201 H201
H212 H212
H211 H211
H222 H222
H221 H221
H232 H232
H231 H231
H242 H242
H241 H241
H252 H252
H251 H251
H262 H262
H261 H261
H273 H273
H272 H272
H271 H271
HA62 HA62
HA61 HA61
H312 H312
H311 H311
H322 H322
H321 H321
H332 H332
H331 H331
H342 H342
H341 H341
H352 H352
H351 H351
H362 H362
H361 H361
H372 H372
H371 H371
H382 H382
H381 H381
H392 H392
H391 H391
H402 H402
H401 H401
H412 H412
H411 H411
H422 H422
H421 H421
H432 H432
H431 H431
H442 H442
H441 H441
H452 H452
H451 H451
H462 H462
H461 H461
H473 H473
H472 H472
H471 H471
HB22 HB22
HB21 HB21
HB32 HB32
HB31 HB31
HB4 HB4
H512 H512
H511 H511
H522 H522
H521 H521
H532 H532
H531 H531
H542 H542
H541 H541
H552 H552
H551 H551
H562 H562
H561 H561
H572 H572
H571 H571
H582 H582
H581 H581
H592 H592
H591 H591
H602 H602
H601 H601
H612 H612
H611 H611
H622 H622
H621 H621
H632 H632
H631 H631
H642 H642
H641 H641
H652 H652
H651 H651
H662 H662
H661 H661
H673 H673
H672 H672
H671 H671
HB62 HB62
HB61 HB61
H712 H712
H711 H711
H722 H722
H721 H721
H732 H732
H731 H731
H742 H742
H741 H741
H752 H752
H751 H751
H762 H762
H761 H761
H772 H772
H771 H771
H782 H782
H781 H781
H792 H792
H791 H791
H802 H802
H801 H801
H812 H812
H811 H811
H822 H822
H821 H821
H832 H832
H831 H831
H842 H842
H841 H841
H852 H852
H851 H851
H862 H862
H861 H861
H873 H873
H872 H872
H871 H871