凝血酶，来源于牛血浆
凝血酶 来源于牛血浆
Thrombin from bovine plasma
lyophilized powder, 40-300 NIH units/mg protein (biuret)
产品描述
Frequently Asked Questions
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Analysis Note
Activity is expressed in NIH units obtained by direct comparison to a NIH Thrombin Reference Standard, Lot K.
基于 Biggs 改性法的 NIH 分析过程使用 0.2mL 稀释血浆（由血浆与等量生理盐水混合制得）作为底物，
Biochem/physiol Actions
丝氨酸蛋白酶，选择性断开纤维蛋白原中的精氨酸-甘氨
General description
Thrombin is the final coagulation protease in regard to hemostasis, promoting both procoagulant and anticoagulant effects. Lyophilized powder containing sucrose, sodium chloride and Tris.
Other Notes
查看更多关于 凝血酶的信息， 请访问 www.sigma-aldrich.com/enz
Preparation Note
Activated with bovine brain thromboplastin.
Physical form
Lyophilized powder containing sodium chloride and Tris-HCl, pH 7.0
Application
Thrombin is used for site specific cleavage of recombinant fusion proteins containing an accessible thrombin recognition site for removal of affinity tags. Thrombin has been used in a study to assess persistent hypocoagulability in patients with septic shock. 1