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Leptin Salamander Recombinant
Product Name Leptin Salamander Recombinant
Synonyms OB Protein, Obesity Protein, OBS, Obesity factor, Leptin.
Description Leptin Salamander Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 146 amino and additional Ala at N-terminus acids and having a molecular mass of 16kDa. The Salamander Leptin is purified by proprietary chromatographic techniques.
Uniprot Accesion Number
Amino Acid SequenceThe sequence of the ten N-terminal amino acids was determined and was found to be Ala-Ile-Met-Val-Asp-Gln-Leu-Arg-Met-Asp.
Source Escherichia Coli.
Physical Appearance and Stability Lyophilized Salamander Leptin although stable at room temperature for 3 weeks, should be stored desiccated below -18¿C. Upon reconstitution Leptin should be stored at 4¿C between 2-7 days and for future use below -18¿C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
Formulation and Purity The Salamander Leptin was lyophilized from a concentrated (1mg/ml) solution with 0.0045mM NaHCO3. Greater than 99.0% as determined by
Application
Solubility It is recommended to reconstitute the lyophilized Salamander Leptin in sterile 0.4% NaHCO3 pH-9 not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Biological Activity By inducing proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Its activity in that test is similar to that of mouse leptin (see Salomon et al (2006) Protein Expression and Purifcation 47, 128¿136).
Shipping Format and Condition Lyophilized powder at room temperature.
Usage Statement Our 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.

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