Growth Factors & Cytokines Recombinant Proteins

Mouse Leptin tA Recombinant Protein (RPPB0726)

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SKU:
RPPB0726
Product Type:
Recombinant Protein
Species:
Mouse
Research Area:
Growth Factors & Cytokines

Description

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Product Name:Mouse Leptin tA Recombinant Protein
Product Code:RPPB0726
Size:20µg
Species:Mouse
Target:Leptin tA
Source:Escherichia Coli
Physical Appearance:White lyophilized (freeze-dried) powder.
Formulation:The Mouse Leptin triple anatagonist was lyophilized from a concentrated (0.65mg/ml) solution with 0.003mM NaHCO3.
Solubility:It is recommended to reconstitute the lyophilized Leptin Antagonist Triple Mutant Mouse Recombinant in sterile water or sterile 0.4% NaHCO3 adjusted to pH 8-9, not less than 100�g/ml, which can then be further diluted with other aqueous solutions.
Stability:Lyophilized Leptin Antagonist Triple Mutant Mouse Recombinant although stable at room temperature for several weeks, should be stored desiccated below -18°C. Upon reconstitution at > 0.1 Leptin mutant mg/ml and up to 2mM and filter sterilization LEP mutant can be stored at 4°C or even room temperature for several weeks making it suitable for long term infusion studies using osmotic pumps. At lower concentration addition of a carrier protein (0.1% HSA or BSA) is suggested.Please prevent freeze-thaw cycles.
Purity:Greater than 99.0% as determined by:(a) Gel filtration analysis.(b) Analysis by SDS-PAGE.
Biological Activity:Leptin Antagonist Triple Mutant Mouse Recombinant half-life in circulation after SC injection was over 20 hours.Leptin Antagonist Triple Mutant Mouse Recombinant is capable of inhibiting leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Leptin Antagonist Triple Mutant Mouse Recombinant in vitro activity is 5-6 fold lower than the non-pegylated antagonist, though in vivo it has profound weight gain effect (as compared to the non-pegylated antagonist), resulting mainly from increased food intake.

Leptin Antagonist Triple Mutant Mouse Recombinant is a single non-glycosilated polypeptide chain containing 146 amino and additional Ala at N-terminus acids and having a molecular mass of ~ 16 kDa.The Mouse Leptin antagonist was mutated, resulting in L39A/D40A/F41A mutant.The Mouse Leptin antagonist is bound to 20 kDa mono-PEG at N-terminus, resulting in 35.6 kDa. The Mouse Leptin triple anatagonist runs as a 48 kDa.Leptin Antagonist Triple Mutant Mouse Recombinant was purified by proprietary chromatographic techniques.

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