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Leptin tA Human, PEG

Catalog No.: AP3575
Leptin Antagonist Triple Mutant Human Recombinant, Pegylated
Pegylated Leptin Antagonist Triple Mutant Human Recombinant is a single non-glycosilated polypeptide chain containing 146 amino and additional Ala at N-terminus acids and having a molecular weight of 35.6kDa, Leptin was mutated, resulting in L39A/D40A/F41A. However due to enlarged hydrodymanic volume it runs on the SDS-PAGE as 48 kDa protein and in gel-filtration on Superdex 200 as over 200 kDa protein. Leptin Antagonist Triple Mutant Human Recombinant is Mono-Pegylated with 20kDa PEG and was purified by proprietary chromatographic techniques.
Grouped product items
Product Name Price Stock Qty
Leptin tA Human, PEG 5µg
$110.00
In stock
Leptin tA Human, PEG 20µg
$290.00
In stock
Leptin tA Human, PEG 1mg
$7,400.00
In stock
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For laboratory research use only. Direct human use, including taking orally and injection and clinical use are forbidden.

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Protein Information
Catalog Num AP3575
Physical appearance White lyophilized (freeze-dried) powder.
Formulation The protein was lyophilized from a concentrated (0.65mg/ml) solution with 0.003mM NaHCO3.
Purity Greater than 98.0% as determined by: (a) Gel filtration analysis. (b) Analysis by SDS-PAGE.
Stability Lyophilized PEG-SHLA although stable at room temperature for several weeks, should be stored desiccated below - 20C. Upon reconstitution at > 0.1 mg/ml and up to 2 mg/ml of PEG-SHLA and filter sterilization mLEP mutant can be stored at 4C 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.
Source Escherichia coli.
Transportation method Shipped at Room temp
Growth Factors