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coagulation factor II (thrombin) B chain fragment [Homo sapiens]
Trypsin-like serine protease

coagulation factor II (thrombin) B chain fragment [Homo sapiens]

Catalog No. A1057
Size Price Stock Qty
1mg $50.00 In stock
5mg $150.00 In stock
10mg $250.00 In stock
25mg $350.00 In stock

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Sample solution is provided at 25 µL, 10mM.

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Chemical structure

coagulation factor II (thrombin) B chain fragment [Homo sapiens]

coagulation factor II (thrombin) B chain fragment [Homo sapiens] Dilution Calculator

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Chemical Properties

Cas No. SDF Download SDF
Synonyms H2N-Lys-Pro-Val-Ala-Phe-Ser-Asp-Tyr-Ile-His-Pro-Val-Cys-Leu-Pro-Asp-Arg-OH
Formula C90H137N23O24S M.Wt 1957.26
Solubility Storage Store at -20°C
General tips N/A
Shipping Condition N/A

Background

Thrombin (H2N-Lys-Pro-Val-Ala-Phe-Ser-Asp-Tyr-Ile-His-Pro-Val-Cys-Leu-Pro-Asp-Arg-OH) is a "trypsin-like" serine protease that is encoded by the F2 gene in humans. [1] Thrombin is produced by the enzymatic cleavage of two sites on prothrombin by activated Factor X (Xa). Thrombin in turn acts as a serine protease that converts soluble fibrinogen into insoluble strands of fibrin.  Thrombin is also active in the catalysis of many other coagulation-related reactions.

In the blood coagulation pathway, thrombin acts to convert factor XI to XIa, VIII to VIIIa, V to Va, and fibrinogen to fibrin.  As part of its activity in the coagulation cascade, thrombin also promotes platelet activation and aggregation via activation of protease-activated receptors on the cell membrane of the platelet.

Thrombin, a potent vasoconstrictor and mitogen, is implicated as a major factor in vasospasm following subarachnoid hemorrhage. Blood from a ruptured cerebral aneurysm clots around a cerebral artery, releasing thrombin. This can induce an acute and prolonged narrowing of the blood vessel, potentially resulting in cerebral ischemia and infarction (stroke).

Beyond its key role in the dynamic process of thrombus formation, thrombin has a pronounced pro-inflammatory character, which may influence the onset and progression of atherosclerosis.[2][3]

  A1057_1

Fig 1. The structure of human thrombin in complex with the inhibitor hirudin.

A1057_2  

Fig 2. Role of thrombin in the blood coagulation cascade

Ref:

1. Royle NJ, Irwin DM, Koschinsky ML, MacGillivray RT, Hamerton JL (May 1987). "Human genes encoding prothrombin and ceruloplasmin map to 11p11-q12 and 3q21-24, respectively". Somat. Cell Mol. Genet. 13 (3): 285–92.

2. Borissoff JI, Spronk HM, Heeneman S, ten Cate H. Is thrombin a key player in the 'coagulation-atherogenesis' maze? Cardiovasc Res. 2009;82(3):392-403.

3. Borissoff JI, Heeneman S, Kilinc E, Kassak P, Van Oerle R, Winckers K, Govers-Riemslag JW, Hamulyak K, Hackeng TM, Daemen MJ, ten Cate H, Spronk HM. Early atherosclerosis exhibits an enhanced procoagulant state. Circulation. 2010;122(8):821-830. PMID20697022.