Leptin Rat, PEG

Name: Leptin Rat, PEG
Brand: Adooq Bioscience
SKU: AP3573
Rating: 5 (288 reviews)

Catalog No.: AP3573

Mono-Pegylated Leptin Rat Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 147 amino acids and an additional Ala at N-terminus having a molecular mass of 35.6 kDa (with 20 kDa PEG) as determined by mass spectometry. 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 100 kDa protein. Its half-life in circulation after SC injection was over 20 hours. Rat Leptin was purified by proprietary chromatographic techniques according to Salomon et al (2006) Protein Expression and Purification 47, 128?C136 and then pegylated.

Grouped product items
Size	Price	Stock
20µg	$110.00	In stock
100µg	$290.00	In stock
1000µg	$2,310.00	In stock
Bulk Size	Bulk Discount

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Protein Information

Catalog Num	AP3573
Physical appearance	Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation	The protein was lyophilized from a concentrated (0.65mg/ml) solution with 0.003mM NaHCO3.
Uniprot ACC#	P50596
Purity	Greater than 99.0% as determined by:(a) Analysis by Gel-Filtration.(b) Analysis by SDS-PAGE.
Stability	Lyophilized Rat Leptin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Rat 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.
Source	Escherichia Coli.
Synonyms	OB Protein, Obesity Protein, OBS, Obesity factor.
Transportation method	Shipped at Room temp