1SQ0 Blood Clotting date Mar 17, 2004
title Crystal Structure Of The Complex Of The Wild-Type Von Willebrand Factor A1 Domain And Glycoprotein Ib Alpha At 2.6 Angstrom Resolution
authors J.J.Dumas, R.Kumar, T.Mcdonagh, F.Sullivan, M.L.Stahl, W.S.Somers, L.Mosyak
compound source
Molecule: Von Willebrand Factor (Vwf) [Contains: Von Willebrand Antigen II];
Chain: A
Fragment: A1
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Vwf, F8vwf
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21de3
Expression_system_vector_type: Plasmid

Molecule: Platelet Glycoprotein Ib Alpha Chain (Glycoprotein Ibalpha) (Gp-Ib Alpha) (Gpiba) (Gpib-Alpha)
(Cd42b-Alpha) (Cd42b) [Contains: Glycocalicin]
Chain: B
Fragment: Glycoprotein Ib-(Alpha)
Engineered: Yes
Mutation: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Gp1ba
Expression_system: Cricetulus Griseus
Expression_system_common: Chinese Hamster
Expression_system_taxid: 10029
Expression_system_cell: Cho
symmetry Space Group: P 21 21 2
R_factor 0.190 R_Free 0.239
crystal
cell
length a length b length c angle alpha angle beta angle gamma
72.497 116.104 67.962 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
related structures by homologous chain: 1AUQ, 1IJK, 1OOK, 1P8V
Primary referenceCrystal structure of the wild-type von Willebrand factor A1-glycoprotein Ibalpha complex reveals conformation differences with a complex bearing von Willebrand disease mutations., Dumas JJ, Kumar R, McDonagh T, Sullivan F, Stahl ML, Somers WS, Mosyak L, J Biol Chem 2004 May 28;279(22):23327-34. Epub 2004 Mar 23. PMID:15039442
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (86 Kb) [Save to disk]
  • Biological Unit Coordinates (1sq0.pdb1.gz) 81 Kb
  • CSU: Contacts of Structural Units for 1SQ0
  • Likely Quarternary Molecular Structure file(s) for 1SQ0
  • Structure Factors (238 Kb)
  • Retrieve 1SQ0 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SQ0 from S2C, [Save to disk]
  • Re-refined 1sq0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1SQ0 in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1SQ0
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1SQ0, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1sq0a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1sq0b_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1sq0 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1sq0] [1sq0_B] [1sq0_A]
  • SWISS-PROT database: [P07359] [P04275]
  • Domain organization of [GP1BA_HUMAN] [VWF_HUMAN] by SWISSPFAM
  • Domains found in 1SQ0: [LRR] [LRRCT] [LRRNT] [LRR_TYP] [VWA ] by SMART
  • Other resources with information on 1SQ0
  • Community annotation for 1SQ0 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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