Native Bovine Factor V

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Native Bovine Factor V

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Cat.No. : F5-284B
Description : Factor V is a large, single chain, plasma glycoprotein which is an essential component in the blood coagulation cascade. During coagulation, the procofactor, factor V, is converted to the active cofactor, factor Va, via limited proteolysis by the serine protease alpha-thrombin (illustrated above), and less efficiently by factor Xa. The active cofactor is composed of an NH2-terminal derived heavy chain (Mr=94,000) and a COOH-terminal derived light chain (Mr=74,000) which remain non-covalently associated in the presence of calcium ions. Factor Va serves as a cofactor for the serine protease factor Xa. Factor Va and Xa assemble on a phospholipid surface in a non-covalent and calcium ion-dependent manner, to form the prothrombinase complex. The prothrombinase complex is responsible for the rapid conversion of the zymogen prothrombin to the active serine protease, alpha-thrombin. Assembly of the prothrombinase complex increases the rate at which prothrombin is converted to thrombin by nearly 300,000-fold relative to the rate with factor Xa alone. Down regulation of the prothrombinase complex is accomplished partly through the inactivation of factor Va by activated protein C.
Source : Plasma
Species : Bovine
Form : 50% (vol/vol) glycerol/H2O
Bio-activity : Clotting assay
Molecular Mass : 330000
Purity : >95% by SDS-PAGE. NOT tissue/cell culture grade. Not tested for endotoxin.
Characteristic : Extinction coefficient: 9.6, Plasma concentration:35 μg/ml , Percent carbohydrate: approximately 25% , Structure:one subunit, 2196 amino acids
Storage : -20°C
Gene Name : F5 coagulation factor V (proaccelerin, labile factor) [ Bos taurus ]
Official Symbol : F5
Synonyms : coagulation factor V; activated protein C cofactor
Gene ID : 280687
mRNA Refseq : NM_173879
Protein Refseq : NP_776304
UniProt ID : Q28107
Chromosome Location : chromosome: 16
Pathway : Complement and Coagulation Cascades, organism-specific biosystem; Complement and coagulation cascades, organism-specific biosystem; Complement and coagulation cascades, conserved biosystem
Function : copper ion binding

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