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Enzyme Research 是一家擁有超過25年的酶研究的實驗室，生產和開發多種用于基本凝血研究的多種酶和輔因子。在過去的十年Enzyme Research Laboratories為科學家參與止血和血栓形成的研究提供了寶貴支持。Enzyme Research通過不斷追求產品的zui高品質，贏得了世界各地凝血研究實驗室的信任。

Human Factor XIIIa

HFXIIIa 1314        Human Factor XIIIa

Human Factor XIII is cleaved with human alpha thrombin.  The thrombin is subsequently removed via chromatography.  The above protein was purified from Human plasma that was tested and found negative by FDA accepted methods fro Anti-HIV1/2, Anti-HTLV I & II, HBsAg, Anti-HCV, Syphilis, ABC ab, HIV-1 p24 Ag or HIV-1 RNA, HCV RNA and HBV RNA.  Donors are screened for CJD （Creutzfeldt-Jakob Disease）. 

Buffer composition =  50 mM Tris/ 100 mM NaCl/ 1 mM EDTA/ 10 u/mL aprotinin/ 50 uM DTT/50% glycerol/ pH 7.5
*Extinction Coefficient （1%）=13.8
Molecular Weight = 312,000 daltons