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Human Plasminogen activator inhibitor-1, recombinant

品牌
Sigma-Aldrich
货号
CC4075
包装型号
规格纯度
价格
5597.47 *本价格含增值税费
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半岛bd体育手机客户端 名称:
Human Plasminogen activator inhibitor-1, recombinant
PAI 1, SERPINE1, PAI1
半岛bd体育手机客户端 介绍:

半岛bd体育手机客户端 说明

一般描述

Plasminogen activator inhibitor-1 (PAI-1) is a member of the serine protease inhibitor (serpin) superfamily and a central regulatory protein in the blood coagulation system. PAI-1 is unique among serpins in exhibiting distinct active and inactive (latent) conformations in vivo. Human PAI-1 is a single-chain glycoprotein with a molecular weight of 43 kDa. This inhibitor acts as "bait" for tissue-type and urokinase-type plasminogen activators (tPA and uPA) and protein C. Its rapid interaction with tPA may function as a major control point in the regulation of fibrinolysis. The highly mobile reactive-center loop (RCL) is thought to account for both the rapid inhibiton of plasminogen activators, and the rapid and spontaneous transition of the unstable, active form of PAI-1 into the stable, inactive conformation (t1/2 at 37oC, 2 hours). The inactive form can be partially reactivated by denaturants such as urea, guanidine hydrochloride or SDS. High concentrations of PAI-1 have been associated with human thromboembolic disease. PAI-1 activity may limit the extent of tumor metastasis, since uPA activity is a major contributory factor promoting dissolution of tumor matrix and basement membrane.
The sequence corresponding to amino acids 24 to 402 of human PAI-1 (mature form) tagged with 6xHis on the carboxy-terminal was expressed in E. Coli.

应用

To fully activate the latent PAI-1, the PAI-1 must be incubated in Activation Buffer (2X Activation Buffer: 8 M Guanidine HCl, 40 mM Sodium Acetate, pH 5.6, 400 mM NaCl, 0.2% Tween 20) for 15 to 30 minutes (Sancho, 1994).The recombinant PAI-1 is able to bind to uPA resulting in a SDS-stable complex.

外形

Liquid. In 150 mM Na2HPO4, pH 6.6, 500 mM NaCl, 2 mM Glutathione, and 0.01% Tween-80.

储存及稳定性

Store at -80?C. Thaw on ice and freeze aliquots at -80?C for longer storage. This product is stable for at least 2 years as supplied. Avoid repeated freeze/thaw cycles.

分析说明

Specific Activity: By uPA activity assay, the recombinant PAI-1 contains a mixture of the active and latent forms, with >45% of active form

法律信息

CHEMICON is a registered trademark of Merck KGaA, Darmstadt, Germany

免责声明

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

基本信息

eCl@ss 32160405

半岛bd体育手机客户端 性质

质量水平 100
生物来源 human
测定 ≥98% (SDS-PAGE)
manufacturer/tradename Chemicon?
technique(s) activity assay: suitable
杂质 <1 EU/μg endotoxin
NCBI登记号 NM_000602
UniProt登记号 P05121
运输 dry ice

安全信息

储存分类代码 12 - Non Combustible Liquids
WGK WGK 2
闪点(F) Not applicable
闪点(C) Not applicable

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