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RBP4 Protein, Human, Recombinant (His)

产品编号 TMPY-00907

别名: RDCCAS, retinol binding protein 4, plasma

RBP4 Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 23 kDa and the accession number is P02753.

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RBP4 Protein, Human, Recombinant (His)

规格	价格/CNY		货期	数量
100 μg	￥ 3,820		现货
200 μg	￥ 6,530		5日内发货
500 μg	￥ 13,220		5日内发货

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参考文献

生物活性	Measured by its ability to bind all-trans retinoic acid. The binding of retinoic acid results in the quenching of Trp fluorescence in RBP4. The 50% binding concentration (BC50) is > 1.0 µM.
产品描述	RBP4 Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 23 kDa and the accession number is P02753.

种属	Human
表达系统	HEK293 Cells
标签	C-His
蛋白编号	P02753
别名	RDCCAS, retinol binding protein 4, plasma
蛋白构建	pro form of Human RBP4 (NP_006735.2) (Met 1-Leu 201)
蛋白纯度	≥ 85 % as determined by SDS-PAGE. ≥ 90 % as determined by SEC-HPLC.
分子量	23 kDa (predicted)

内毒素	< 1.0 EU/μg of the protein as determined by the LAL method.
缓冲液	Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH 7.2. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
复溶方法	A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
存储	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at-80℃. For reconstituted proteinsolutions, the solution can be stored at -20°c to -80'c for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
运输方式	In general, Lyophilized powders are shipping with blue ice.
研究背景	Retinol-binding protein 4 (RBP4) is the specific carrier for retinol (also known as vitamin A), and is responsible for the conversion of unstable and insoluble retinol in aqueous solution into stable and soluble complex in plasma through their tight interaction. As a member of the lipocalin superfamily, RBP4 containing a β-barrel structure with a well-defined cavity is secreted from the liver, and in turn delivers retinol from the liver stores to the peripheral tissues. In plasma, the RBP4-retinol complex interacts with transthyretin (TTR), and this binding is crucial for preventing RBP4 excretion through the kidney glomeruli. RBP4 expressed from an ectopic source efficiently delivers retinol to the eyes, and its deficiency affects night vision largely. Recently, RBP4 as an adipokine, is found to be expressed in adipose tissue and correlated with obesity, insulin resistance (IR) and type 2 diabetes (T2DM).

参考文献

1. Yang Q,et al.(2005) Serum retinol binding protein 4 contributes to insulin resistance in obesity and type 2 diabetes. Nature. 436(7049): 356-62. 2. Choi SH,et al.(2008) High plasma retinol binding protein-4 and low plasma adiponectin concentrations are associated with severity of glucose intolerance in women with previous gestational diabetes mellitus. J Clin Endocrinol Metab. 93(8): 3142-8. 3. Tepper BJ,et al.(2010) Serum retinol-binding protein 4 (RBP4) and retinol in a cohort of borderline obese women with and without gestational diabetes. Clin Biochem. 43(3): 320-3.

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Keywords

RBP4 Protein, Human, Recombinant (His) RDCCAS retinol binding protein 4, plasma recombinant recombinant-proteins proteins protein

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