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HFVIIa Human Factor VIIa
Prepared from purified Human Factor VII using Human Factor XIIa. The Factor Xlla is removed using affinity chromatography. Purity is determined by SDS-PAGE. Human Factor VIIa reduces to 29,500 and 23,500 with the addition of 2-mercaptoethanol. Activity is determined via clotting assay. Factor Vlla, in the presence of calcium ions and Tissue factor, activates Factors IX and X to their enzymatically active forms, Factor IXa and Xa.
Buffer composition = 20 mM Tris-HCl/0.1 M NaCl/pH 7.4
*Extinction Coefficient (1%) = 13.9
Molecular Weight = 50,000 daltonsAlso available: des-Gla-Human Factor VIIa and
Factor VIIa inactivated上海起福生物科技有限公司:楊建輝:辦公:*8006::http://www.gzwxbh.com/地址:上海市浦東新區繡川路561號1102室
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