1P8V: Platelet glycoprotein Ib alpha chain

Crystal structure of the complex of platelet receptor gpib-alpha and alpha-thrombin at 2.6A. Determined by X-ray diffraction at 2.6 Å resolution. Released 22 Jul 2003.

Method
X-ray diffraction
Resolution
2.6 Å
Organism
Homo sapiens
Chains
3
Atoms
4,702
Mol. weight
65.04 kDa
Ligands
DFP, NAG
Released
22 Jul 2003

Explore 1P8V in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1P8V contains 23 α-helices and 42 β-strands across 3 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: 9 helices, 19 β-strands

ElementResiduesLengthSheet
β-strand5-951
β-strand12-1651
α-helix25-262
β-strand35-3731
β-strand45-4732
α-helix48-514
β-strand59-6131
β-strand69-7132
β-strand81-8331
β-strand104-10631
β-strand128-13031
β-strand152-15431
β-strand176-17831
β-strand199-20131
β-strand20713
α-helix211-2133
α-helix214-2229
α-helix224-2263
β-strand22711
β-strand22814
α-helix236-2383
α-helix2401
β-strand24114
α-helix243-2453
β-strand24715
β-strand24813
β-strand25515
α-helix256-2583
Chain B: 3 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix11-133
α-helix20-245
α-helix25-273
Chain C: 11 helices, 23 β-strands
ElementResiduesLengthSheet
β-strand216
β-strand5-627
α-helix7-82
β-strand15-2068
β-strand25-3288
β-strand37-4048
α-helix42-443
β-strand46-4729
α-helix48-503
β-strand52-5329
α-helix56-583
β-strand59-6358
β-strand67110
β-strand77-7938
β-strand81-8668
β-strand91111
β-strand97111
β-strand101-10558
α-helix117-1182
β-strand11917
α-helix120-1212
α-helix123-1297
β-strand135-14067
β-strand159110
β-strand161-16887
α-helix170-1745
β-strand185-18847
α-helix192-1943
β-strand19916
β-strand208-21257
β-strand219-22797
β-strand238-24257
α-helix244-2463
α-helix247-25711

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Platelet glycoprotein Ib alpha chainAprotein279Homo sapiensP07359 (AlphaFold model)
ProthrombinBprotein29Homo sapiensP00734 (AlphaFold model)
ProthrombinCprotein259Homo sapiensP00734 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1P8V_1 Platelet glycoprotein Ib alpha chain (chains A)
HPICEVSKVASHLEVNCDKRDLTALPPDLPKDTTILHLSENLLYTFSLATLMPYTRLTQL
NLDRCELTKLQVDGTLPVLGTLDLSHNQLQSLPLLGQTLPALTVLDVSFNRLTSLPLGAL
RGLGELQELYLKGNELKTLPPGLLTPTPKLEKLSLANNNLTELPAGLLNGLENLDTLLLQ
ENSLYTIPKGFFGSHLLPFAFLHGNPWLCNCEILYFRRWLQDNAENVYVWKQGVDVKAMT
SNVASVQCDNSDKFPVYKYPGKGCPTLGDEGDTDLYDYY
Sequence of entity 2 (B), FASTA
>1P8V_2 Prothrombin (chains B)
EADCGLRPLFEKKSLEDKTERELLESYID
Sequence of entity 3 (C), FASTA
>1P8V_3 Prothrombin (chains C)
IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLL
VRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCL
PDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVLQVVNLPIVERPVCKDSTRIR
ITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFY
THVFRLKKWIQKVIDQFGE

Ligands and cofactors

IDNameFormulaCopies
DFPDiisopropyl phosphonateC6 H15 O3 P1
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O61

Water and common crystallization additives (MES) are not listed.

Primary citation

Crystal Structure of the GpIbalpha-Thrombin Complex Essential for Platelet Aggregation. Dumas, J.J., Kumar, R., Seehra, J. et al. Science (2003) 301:222-226. DOI 10.1126/science.1083917 · PubMed

Other PDB entries of the same protein (UniProt P07359 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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