产品说明
DescriptionFactor X Polyclonal Antibody – Affinity Purified – SheepAffinity’s Factor X Polyclonal Antibody – Affinity Purified – Sheep is the highest level of our Factor X antibody family. During the Antigen Affinity Purification process the IgG has had any non-specific immunoglobulin fraction eliminated which enriches the specificity of the remaining immunoglobulin towards the target antigen. The result is a very high-purity product with a substantially higher titre than whole or purified IgG. Our Factor X Polyclonal Antibody – Affinity Purified – Sheep is provided in a solution of HEPES buffered saline containing 50% glycerol (v/v) and is intended for applications such as immunoblotting, immunostaining of cells and several types of immunoassays where the higher signal-to-noise ratio achieved with this enriched product is required.Product Code: SAFX-APRetail Product Size: 0.5mg vialHost Animal: Sheep Anti-Human Factor X Polyclonal Antibody – Affinity PurifiedSpecies Cross Reactivity: View ChartProduct Datasheet: Factor X F10 Polyclonal Antibody, affinity purified anti-human sheep IgGDescription of Factor X (FX)Factor X (FX, Stuart Factor) is a vitamin K-dependent glycoprotein produced in the liver. The concentration of FX in plasma is ~10 μg/ml (~170 nM). Factor X is expressed as a two-chain molecule with a molecular weight of 59 kDa. The light chain (17 kDa) of FX contains a calcium-binding domain consisting of one hydroxy-aspartic acid and 11 γ-carboxyglutamic acid (gla) residues. These residues allow F.X to bind to membranes that contain acidic phospholipids in a calcium dependent manner. This is followed by two EGF-like domains. The heavy chain of FX (42 kDa) consists of the catalytic domain, carbohydrate and the activation peptide. Activation of FX to the active enzyme (FXa) results from cleavage at residue Arg52 in the heavy chain of F.X by a complex of F.IXa, cofactor VIIIa, calcium and negatively charged phospholipid surface (the tenase complex), or by the F.VIIa-tissue factor complex. Both activation pathways result in the release of the activation peptide from the N-terminal of the heavy chain. The FXa generated is a serine protease responsible for the activation of prothrombin to thrombin in the presence of a phospholipid membrane, calcium and cofactor Va. The activity of FXa in plasma is inhibited by antithrombin (ATIII), α1antitrypsin, α2macroglobulin and tissue factor pathway inhibitor (TFPI). The inhibitory activity of ATIII is stimulated approximately 1000-fold by heparin1-3.References and ReviewIchinose A, Davie EW; The Blood Coagulation Factors: Their cDNAs, Genes, and Expression; in Hemostasis and Thrombosis, 3rd Edition, eds. RW Colman, J Hirsh, VJ Marder and EW Salzman, pp 19-54, J.B. Lippincott Co., Philadelphia PA, USA, 1994.Steinberg M, Nemerson Y; The Activation of Factor X; in Hemostasis and Thrombosis, eds. RW Colman, J Hirsh, VJ Marder and EW Salzman, pp 91-99, J.B. Lippincott Co., Philadelphia PA, USA, 1982.Ellis V, Scully M, MacGregor I, Kakkar V; Inhibition of Human Factor Xa by Various Plasma Protease Inhibitors; Biochimica et Biophysica Acta 701, pp 24-31, 1982.
Affinity Biologics生产针对凝血,止血和纤维蛋白溶解相关蛋白的全系列多克隆抗体。我们的多克隆抗体家族有多种形式。完整或纯化的IgG,亲和纯化的IgG,辣根过氧化物酶偶联,异硫氰酸荧光素(FITC)偶联和生物素偶联。所有与凝血,止血和纤维蛋白溶解相关蛋白以及缺乏因子的血浆产品有关的Affinity Biologicals多克隆抗体均在内部采购,并根据ISO13485医疗设备质量保证标准生产。
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