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Leptin Receptor Human /重组人瘦素受体产品编号：CYT-508

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Leptin Receptor Human /重组人瘦素受体产品编号：CYT-508
产品规格：10μg/50μg/1mg

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Leptin Receptor Human /重组人瘦素受体

产品编号：CYT-508
产品规格：10μg/50μg/1mg

Synonyms	OB Protein, Obesity Protein, OBS, Obesity factor, Leptin Receptor.
Description	Leptin Binding Domain Human Recombinant also called Leptin soluble receptor produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 208 amino acids and having a molecular mass of 24.5 kDa. Leptin Receptor consists of the cytokine binding domain of leptin receptor amino acids 428-635 of human leptin receptor. The Leptin Binding Domain is purified by proprietary chromatographic techniques.
Source	Escherichia Coli.
Physical Appearance	Sterile Filtered White lyophilized （freeze-dried） powder.
Formulation	The protein was lyophilized from a concentrated （1mg/ml） solution with 0.0045mM NaHCO3.
Solubility	The lyophilized Leptin Binding Domain is very soluble in water and most aqueous buffers below and above the isoelectric point.
Stability	Lyophilized Leptin Binding Domain although stable at room temperature, should be stored desiccated below 0°C. Reconstituted Leptin is best stored refrigerated at 4°C. Please prevent freeze-thaw cycles.
Purity	Greater than 98.0% as determined by（a） Analysis by RP-HPLC. （b） Analysis by SDS-PAGE.
Amino acid sequence	The sequence of the first four N-terminal amino acids was determined and was found to be Ala-Thr-Pro-Val Biological ActivityBiological Activity is evidenced by high affinity binding of mammalian leptins at 1:1 molar ratio.
Protein content	Protein quantitation was carried out by two independent methods 1. UV spectroscopy at 280 nm using the absorbency value of 2.45 as the extinction coefficient for a 0.1% （1mg/ml） solution. This value is calculated by the PC GENE computer analysis program of protein sequences （InliGenetics）. 2. Analysis by RP-HPLC, using a calibrated solution of Leptin Binding Domain as a Reference Standard.
Usage	ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.