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Leptin Receptor Chicken/重组鸡瘦素受体产品编号：CYT-509

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Leptin Receptor Chicken/重组鸡瘦素受体产品编号：CYT-509
产品规格：10μg/50μg/1mg

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Leptin Receptor Chicken/重组鸡瘦素受体

产品编号：CYT-509
产品规格：10μg/50μg/1mg

Synonyms	OB Protein, Obesity Protein, OBS, Obesity factor, Leptin Receptor.
Description	Leptin Binding Domain Chicken Recombinant also called Leptin 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. Chicken Leptin Receptor consists of the cytokine binding domain of leptin receptor amino acids 420-626 of chicken 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 （0.2 to 0.5 mg/ml） solution of Tris-HCl buffer, pH 9.0 with 150mM NaCl and 10-fold （w/w） excess of glycine.
Solubility	It is recommended to reconstitute the lyophilized Leptin Receptor Chicken in sterile water at pH 8-9, not less than 100μg/ml, which can then be further diluted to other aqueous solutions, preferably in presence of carrier protein.
Stability	Leptin Receptor Chicken should be stored desiccated below -18°C. Upon reconstitution at > 0.1 Leptin Receptor Chicken mg/ml and up to 40.5 mg/ml mM and filter sterilization chLBD can be stored at 4°C for several months. Sterile solutions at 0.5 mg/ml or less are stable at +4°C for several months. Please prevent freeze-thaw cycles.
Purity	Greater than 99.0% as determined by（a） Analysis by RP-HPLC. （b） Analysis by SDS-PAGE.
Amino acid sequence	The sequence of the first six N-terminal amino acids was determined and was found to be Ala-Ile-Asp-Val-Asn-Ile 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.