3qn7

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Template:STRUCTURE 3qn7

Contents

Potent and selective bicyclic peptide inhibitor (UK18) of human urokinase-type plasminogen activator(uPA)

Template:ABSTRACT PUBMED 22304751

Disease

[UROK_HUMAN] Defects in PLAU are the cause of Quebec platelet disorder (QPD) [MIM:601709]. QPD is an autosomal dominant bleeding disorder due to a gain-of-function defect in fibrinolysis. Although affected individuals do not exhibit systemic fibrinolysis, they show delayed onset bleeding after challenge, such as surgery. The hallmark of the disorder is markedly increased PLAU levels within platelets, which causes intraplatelet plasmin generation and secondary degradation of alpha-granule proteins.[1]

Function

[UROK_HUMAN] Specifically cleaves the zymogen plasminogen to form the active enzyme plasmin.

About this Structure

3qn7 is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

See Also

Reference

  • Zhao G, Yuan C, Wind T, Huang Z, Andreasen PA, Huang M. Structural basis of specificity of a peptidyl urokinase inhibitor, upain-1. J Struct Biol. 2007 Oct;160(1):1-10. Epub 2007 Jun 20. PMID:17692534 doi:10.1016/j.jsb.2007.06.003
  1. ↑ Paterson AD, Rommens JM, Bharaj B, Blavignac J, Wong I, Diamandis M, Waye JS, Rivard GE, Hayward CP. Persons with Quebec platelet disorder have a tandem duplication of PLAU, the urokinase plasminogen activator gene. Blood. 2010 Feb 11;115(6):1264-6. doi: 10.1182/blood-2009-07-233965. Epub 2009, Dec 9. PMID:20007542 doi:10.1182/blood-2009-07-233965

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