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HRG/HPRG Protein, Rat, Recombinant (His)

产品编号 TMPY-04788

别名: histidine-rich glycoprotein

HRG/HPRG Protein, Rat, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 58.6 kDa and the accession number is A6JS43.

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HRG/HPRG Protein, Rat, Recombinant (His)

规格	价格/CNY		货期	数量
100 μg	￥ 4,460		5日内发货

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生物活性	Testing in progress
产品描述	HRG/HPRG Protein, Rat, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 58.6 kDa and the accession number is A6JS43.

种属	Rat
表达系统	HEK293
标签	His
蛋白编号	A6JS43
别名	histidine-rich glycoprotein
蛋白构建	A DNA sequence encoding the rat HRG (EDL78064.1) (Met1-Lys525) was expressed with a polyhistidine tag at the C-terminus.
蛋白纯度	> 90 % as determined by SDS-PAGE.
分子量	58.6 kDa (predicted)

内毒素	< 1.0 EU per μg protein as determined by the LAL method.
缓冲液	Lyophilized from sterile PBS, pH 7.4. Please contact us for any concerns or special requirements. Normally 5 % - 8 % trehalose, mannitol and 0. 01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the hard copy of CoA.
复溶方法	A hardcopy of datasheet with reconstitution instructions is sent along with the products. Please refer to it for detailed information.
存储	Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
运输方式	In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
研究背景	Histidine-rich glycoprotein, also known as HRG and HPRG, is a glycoprotein located in plasma and platelets and contains an unusually large amount of histidine and proline. In humans, five distinct domains are recognized in the mature HPRG molecule. There are two N-terminal cystatin-like modules (aa 19 - 254) and one His-Pro-rich region (aa 350 - 497) that is flanked by two Pro-rich segments (aa 276 - 321 and 498 - 525). The His-Pro-rich region contains 10 tandem repeats with an HHPHG motif, and the N- and C-termini are linked by a disulfide bond. The specific functions of HRG remain unclear, but it is known that the protein binds heme, dyes, and divalent metal ions. It inhibits rosette formation and interacts with heparin, thrombospondin, and plasminogen. Two of the protein's effects, the inhibition of fibrinolysis, and the reduction of inhibition of coagulation indicate a potential prothrombotic effect. HPRG is evolutionarily, functionally, and structurally related to cleaved high molecular weight kininogen (HKa), an anti-angiogenic polypeptide that stimulates apoptosis of proliferating endothelial cells through binding to cell-surface tropomyosin. The antiangiogenic activity of the multidomain plasma protein HPRG is localized to its histidine-proline-rich (H/P) domain and has recently been shown to be mediated, at least partially, through binding to cell-surface tropomyosin in fibroblast growth factor-2-activated endothelial cells.

参考文献

1. Guan X, et al. (2004) Histidine-proline rich glycoprotein (HPRG) binds and transduces anti-angiogenic signals through cell surface tropomyosin on endothelial cells. Thromb Haemost. 92(2): 403-12. 2. Doate F, et al. (2004) Peptides derived from the histidine-proline domain of the histidine-proline-rich glycoprotein bind to tropomyosin and have antiangiogenic and antitumor activities. Cancer Res. 64(16): 5812-7.

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Keywords

HRG/HPRG Protein, Rat, Recombinant (His) histidine-rich glycoprotein recombinant recombinant-proteins proteins protein

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