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You are here:Home » Antibodies » Abs to Coagulation Factors » Anti -Factor VII (F.VII, Stable Factor, Proconvertin)

Anti -Factor VII (F.VII, Stable Factor, Proconvertin)

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Specifications

Clone Host Grade Applications
Polyclonal Sheep Affinity Purified E
Factor VII (F.VII, also known as Stable Factor and Proconvertin) is a vitamin K-dependent glycoprotein produced in the liver. Plasma concentration of F.VII is normally ~0.5ug/ml (10nM) in plasma. A deficiency of F.VII is associated with bleeding in a clinical pattern similar to hemophilia, but is inherited as an autosomal recessive trait. The deficiency can be characterized by a quantitative (low activity and low antigen) or a qualitative (low activity and normal antigen) defect in F.VII function. In its zymogen form F.VII is a single chain molecule of ~50kD. It contains two EGF-like domains and an amino-terminal domain containing 10 gamma-carboxyglutamic acid (Gla) residues. These Gla residues allow F.VII to bind divalent metal ions and participate in calcium-dependent binding interactions. F.VII and
activated F.VII (F.VIIa) bind to tissue factor exposed at the site of vascular injury. F.IXa, F.Xa or F.VIIa rapidly activate tissue factor-bound F.VII to F.VIIa in the presence of calcium and phospholipid. Thrombin and F.XIIa are able to activate F.VII in the fluid phase in the absence of cofactors. The activation of the single chain zymogen F.VII occurs by proteolysis after residue Arg152, resulting in a two-chain active serine protease consisting of a 30kD heavy chain and an 18kD light chain. In complex with tissue factor, phospholipid and calcium, F.VIIa is able to activate F.X and F.IX. Free F.VIIa in plasma is remarkably stable, but the activity of F.VIIa/TF complex is regulated by Tissue Factor Pathway Inhibitor (TFPI) in the presence of F.Xa, and also by Antithrombin (ATIII) in the presence of heparin
(1-3).
Catalog #F0015-20
ApplicationsSuitable for use in Immunoelectrophoresis and ELISA. Other applications not tested.
Recommended DilutionOptimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months after receipt. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Clone TypePolyclonal
IsotypeIgG
HostSheep
SourceHuman
Concentration~2mg/ml
FormSupplied as a liquid in 10mM HEPES, pH 7.4, 0.15M sodium chloride, 50% glycerol.
PurityPurified by affinity chromatography.
ImmunogenHuman Factor VII (F.VII) purified from plasma.
SpecificityRecognizes human Factor VII.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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