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一般說明
凝血酶是止血过程中的最终凝血蛋白酶，可同时促进促凝血和抗凝血作用。
應用
凝血酶被用于重组融合蛋白的位点特异性切割，这些重组融合蛋白具有可接近的凝血酶识别位点以除去亲和标签。凝血酶已可用于评估低分子量肝素在 体外 对肝硬化患者在肝病不同阶段的凝血酶生成的影响。
生化／生理作用
选择性裂解纤维蛋白原中 Arg-Gly 键形成纤维蛋白和纤维蛋白肽 A 和 B 的丝氨酸蛋白酶。
單位定義
活性以NIH单位表示，它是通过与NIH凝血酶参考标准品直接对比而获得的
外觀
冻干品来自于0.02 M Bis/Tris缓冲液，pH 6.5，含0.15M氯化钠和0.1% PEG-8000
分析報告
NIH 试验步骤基于 Biggs 方法的改进，使用 0.2mL 稀释血浆（与生理盐水 1:1 混合，作为底物）和 0.1mL Biggs 凝血酶样品（稳定于 1% 缓冲白蛋白溶液中）。只使用 15-25 秒之间的凝血时间分析凝血酶浓度。
其他說明
查看更多关于 凝血酶的信息， 请访问 www.sigma-aldrich.com/enzymeexplorer。
免責聲明
供研究使用。在法国，在用于科研目的时（包括进口和出口活动（《公共健康法》第L 1211-1条，第2节））该产品为管制品。购买者（即最终用户）需要获得《公共健康法》法第L 1211-1条规定的法国研究部的进口授权。订购本产品即表明您确认已经获得合适的进口授权。
訊號詞
Danger
危險分類
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
標靶器官
Respiratory system
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 2
閃點（°F）
Not applicable
閃點（°C）
Not applicable
分析證明 (COA)
輸入產品批次/批號來搜索 分析證明 (COA)。在產品’s標籤上找到批次和批號，寫有 ‘Lot’或‘Batch’.。
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文章
Thrombin Factor IIa is an endolytic serine protease that selectively cleaves the Arg--Gly bonds of fibrinogen to form fibrin and release fibrinopeptides A and B.
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