1PTO: Pertussis toxin

The structure of a pertussis toxin-sugar complex as a model for receptor binding. Determined by X-ray diffraction at 3.5 Å resolution. Released 15 Sept 1995.

Method
X-ray diffraction
Resolution
3.5 Å
Organism
Bordetella pertussis
Chains
12
Atoms
14,614
Mol. weight
212.51 kDa
Released
15 Sept 1995

Explore 1PTO in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1PTO contains 68 α-helices and 138 β-strands across 12 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 13 helices, 15 β-strands

ElementResiduesLengthSheet
β-strand6-1161
α-helix15-217
β-strand23-2422
β-strand2913
α-helix32-365
α-helix39-413
β-strand4813
β-strand50-5451
α-helix57-7721
β-strand83-92101
β-strand97-9931
α-helix100-11112
α-helix113-1153
α-helix119-1268
β-strand129-13351
β-strand135-13622
α-helix138-1403
β-strand141-150101
β-strand155-15951
α-helix166-1683
β-strand17411
α-helix177-1782
α-helix181-1833
β-strand191-19334
β-strand198-19924
α-helix200-2056
β-strand225-22734
α-helix228-2325
Chain B: 9 helices, 14 β-strands
ElementResiduesLengthSheet
α-helix6-94
α-helix10-123
β-strand1315
β-strand1816
β-strand27-2935
α-helix30-312
α-helix32-376
α-helix39-468
β-strand54-5746
β-strand60-6346
α-helix65-673
β-strand70-7236
α-helix78-814
β-strand8516
β-strand87-8935
β-strand91-9227
β-strand101-114147
β-strand119-12577
β-strand128-13587
α-helix146-15510
α-helix156-1605
β-strand162-173127
β-strand184-19187
Chain C: 8 helices, 15 β-strands
ElementResiduesLengthSheet
α-helix10-123
β-strand1318
β-strand18-1929
β-strand2219
α-helix23-242
β-strand27-2938
α-helix30-312
α-helix32-376
α-helix39-4810
β-strand54-5639
β-strand61-6339
α-helix65-673
β-strand70-7239
α-helix79-813
β-strand84-8529
β-strand87-8938
β-strand91-93310
β-strand101-1131310
β-strand119-125710
β-strand128-135810
α-helix146-15813
β-strand163-1731110
β-strand183-191910
Chain D: 2 helices, 9 β-strands
ElementResiduesLengthSheet
β-strand6-1387
β-strand17110
β-strand19-21311
β-strand24-29611
β-strand32-3657
α-helix44-463
β-strand48-5147
β-strand53-55311
α-helix63-7311
β-strand78-89127
β-strand92-102117
Chain E: 2 helices, 9 β-strands
ElementResiduesLengthSheet
β-strand6-7212
β-strand11-201012
β-strand27-361012
α-helix44-463
β-strand48-55812
α-helix63-7412
β-strand77-78212
β-strand81-87712
β-strand94-97412
β-strand100-101210
β-strand102112
Chain F: 2 helices, 7 β-strands
ElementResiduesLengthSheet
β-strand5-10612
β-strand11-20107
β-strand23-3197
β-strand37-4377
α-helix52-6615
β-strand70-74512
α-helix831
β-strand84-8527
β-strand86-91612
Chain G: 12 helices, 16 β-strands
ElementResiduesLengthSheet
β-strand6-11613
α-helix15-217
β-strand23-24214
β-strand29115
α-helix32-365
α-helix39-413
β-strand48115
β-strand50-54513
α-helix57-7721
β-strand83-921013
β-strand97-99313
α-helix100-11112
α-helix119-1268
β-strand129-133513
β-strand135-136214
α-helix138-1403
β-strand141-143313
β-strand146-150513
β-strand155-159513
α-helix166-1683
β-strand174113
α-helix177-1782
α-helix181-1833
β-strand191-193316
β-strand198-199216
α-helix200-2056
β-strand225-227316
α-helix228-2325
Chain H: 7 helices, 14 β-strands
ElementResiduesLengthSheet
α-helix10-123
β-strand13117
β-strand18118
β-strand27-29317
α-helix30-312
α-helix32-376
α-helix39-468
β-strand54-56318
β-strand61-63318
α-helix65-673
β-strand70-72318
α-helix78-814
β-strand85118
β-strand87-89317
β-strand91-92219
β-strand101-1141419
β-strand119-125719
β-strand128-135819
α-helix146-15914
β-strand162-1731219
β-strand184-191819

4 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Pertussis toxin (subunit S1)A, Gprotein244Bordetella pertussisP04977 (AlphaFold model)
Pertussis toxinBprotein196Bordetella pertussisP04978 (AlphaFold model)
Pertussis toxinC, Iprotein196Bordetella pertussisP04979 (AlphaFold model)
Pertussis toxin (subunit S4)D, E, J, Kprotein110Bordetella pertussisP0A3R5 (AlphaFold model)
Pertussis toxin (subunit S5)F, Lprotein98Bordetella pertussisP04981
Pertussis toxin (subunit S2)Hprotein198Bordetella pertussisP04978 (AlphaFold model)
Sequence of entity 1 (A, G), FASTA
>1PTO_1 PERTUSSIS TOXIN (SUBUNIT S1) (chains A, G)
APVTSPAWADDPPATVYRYDSRPPEDVFQNGFTAWGNNDNVLEHLTGRSCQVGSSNSAFV
STSSSRRYTEVYLEHRMQEAVEAERAGRGTGHFIGYIYEVRADNNFYGAASSYFEYVDTY
GDNAGRILAGALATYQSEYLAHRRIPPENIRRVTRVYHNGITGETTTTEYSNARYVSQQT
RANPNPYTSRRSVASIVGTLVRMAPVVGACMARQAESSEAMAAWSERAGEAMVLVYYESI
AYSF
Sequence of entity 2 (B), FASTA
>1PTO_2 PERTUSSIS TOXIN (chains B)
GIVIPPQEQITQHGSPYGRCANKTRALTVAELRGSGDLQEYLRHVTRGWSIFALYDGTYL
GGEYGGVIKDGTPGGAFDLKTTFCIMTTRNTGQPATDHYYSNVTATRLLSSTNSRLCAVF
VRSGQPVIGACTSPYDGKYWSMYSRLRKMLYLIYVAGISVRVHVSKEEQYYDYEDATFET
YALTGISICNPGSSLC
Sequence of entity 3 (C, I), FASTA
>1PTO_3 PERTUSSIS TOXIN (chains C, I)
GIVIPPKALFTQQGGAYGRCPNGTRALTVAELRGNAELQTYLRQITPGWSIYGLYDGTYL
GQAYGGIIKDAPPGAGFIYRETFCITTIYKTGQPAADHYYSKVTATRLLASTNSRLCAVF
VRDGQSVIGACASPYEGRYRDMYDALRRLLYMIYMSGLAVRVHVSKEEQYYDYEDATFQT
YALTGISLCNPAASIC
Sequence of entity 4 (D, E, J, K), FASTA
>1PTO_4 PERTUSSIS TOXIN (SUBUNIT S4) (chains D, E, J, K)
DVPYVLVKTNMVVTSVAMKPYEVTPTRMLVCGIAAKLGAAASSPDAHVPFCFGKDLKRPG
SSPMEVMLRAVFMQQRPLRMFLGPKQLTFEGKPALELIRMVECSGKQDCP
Sequence of entity 5 (F, L), FASTA
>1PTO_5 PERTUSSIS TOXIN (SUBUNIT S5) (chains F, L)
LPTHLYKNFTVQELALKLKGKNQEFCLTAFMSGRSLVRACLSDAGHEHDTWFDTMLGFAI
SAYALKSRIALTVEDSPYPGTPGDLLELQICPLNGYCE
Sequence of entity 6 (H), FASTA
>1PTO_6 PERTUSSIS TOXIN (SUBUNIT S2) (chains H)
TPGIVIPPQEQITQHGSPYGRCANKTRALTVAELRGSGDLQEYLRHVTRGWSIFALYDGT
YLGGEYGGVIKDGTPGGAFDLKTTFCIMTTRNTGQPATDHYYSNVTATRLLSSTNSRLCA
VFVRSGQPVIGACTSPYDGKYWSMYSRLRKMLYLIYVAGISVRVHVSKEEQYYDYEDATF
ETYALTGISICNPGSSLC

Primary citation

Structure of a pertussis toxin-sugar complex as a model for receptor binding. Stein, P.E., Boodhoo, A., Armstrong, G.D. et al. Nat Struct Biol (1994) 1:591-596. DOI 10.1038/nsb0994-591 · PubMed

Other PDB entries of the same protein (UniProt P04977 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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