推薦產品
生物源
human plasma
品質等級
形狀
lyophilized powder
比活性
≥5 units/mg protein
包裝
vial of ≥0.5 mg (Protein based on E1%/280 = 6.7)
UniProt登錄號
儲存溫度
−20°C
基因資訊
human ... SERPINF2(5345)
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一般說明
α2-Antiplasmin (α2AP) is a glycoprotein and a member of the serine protease inhibitor (serpin) family. The protein is mainly synthesized in the liver and found in the kidney and brain. The serpin peptidase inhibitor, clade F member 2 (SERPINF2) gene is mapped to human chromosome 17p13.3.
應用
α2-Antiplasmin from human plasma has been used as a protease inhibitor to treat human microvascular endothelial cells (HMEC-1) and demonstrate the role of factors responsible for endothelial cells detachment. It has also been used to study its effect on the release of proteolytic activity under reducing conditions in therapeutic human serum albumin-containing products with a new neoepitope endopeptidase immunoassay.
生化／生理作用
α2-Antiplasmin (α2AP) is an antifibrinolytic protein and an important inhibitor of plasmin. α2AP mediates clot formation by covalently cross-linking with the glutamine and the lysine residue of fibrin clot via activated factor XIII (FXIIIa). This prevents the clot from extreme degradation by plasmin. An inborn insufficiency of α2AP results in an autosomal recessive condition leading to a rare bleeding disorder. The severity of the bleeding condition is defined by the individual′s genetic variation. Studies show lower levels of α2AP associated with disseminated intravascular coagulation (DIC) and thrombolytic therapy. Elevated levels of α2AP have been reported in a patient with ischemic stroke.
單位定義
One unit will reduce the activity of two units of plasmin by 50% at 37 °C, pH 7.2, using Val-Leu-Lys-p-nitroanilide.
外觀
Lyophilized powder containing Bis-tris buffer and NaCl.
免責聲明
RESEARCH USE ONLY. This product is regulated in France when intended to be used for scientific purposes, including for import and export activities (Article L 1211-1 paragraph 2 of the Public Health Code). The purchaser (i.e. enduser) is required to obtain an import authorization from the France Ministry of Research referred in the Article L1245-5-1 II. of Public Health Code. By ordering this product, you are confirming that you have obtained the proper import authorization.
訊號詞
Warning
危險聲明
危險分類
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
dust mask type N95 (US), Eyeshields, Gloves
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
Analytical Enzyme Chymotrypsin: Chymotrypsin is produced in the acinar cells of the pancreas as the inactive precursor, chymotrypsinogen.
分析酵素 Chymotrypsin：糜蛋白酶在胰腺的胰腺尖細胞中以非活性前體糜蛋白酶原的形式產生。
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凝血酶是一種內溶性絲氨酸蛋白酶，可選擇性地裂解纖維蛋白原的 Arg-Gly 鍵，形成纖維蛋白並釋放出纖維蛋白肽 A 和 B。
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