Active Recombinant Mouse LEP protein, His-tagged

Cat.No. : LEP-3284M
Product Overview : Active Recombinant Mouse LEP protein(P41160)(22~167 aa), fused with N-terminal His tag, was expressed in E.coli.
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Species : Mouse
Source : E.coli
Tag : His
Protein Length : 22-167 aa
Form : Lyophilized from sterile PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300.
Bio-activity : Leptin is a hormone made by adipose cells that helps to regulate energy balance by inhibiting hunger. Many of leptin's effects are mediated through neuropeptide-containing neurons and neuropeptide receptors in the hypothalamus. Although regulation of fat stores is deemed to be the primary function of leptin, it also plays a role in other physiological processes, as evidenced by its multiple sites of synthesis other than fat cells, and the multiple cell types beside hypothalamic cells that have leptin receptors. A functional binding ELISA assay was conducted to detect the interaction of recombinant mouse LEP and recombinant human LEPR. Briefly, LEP were diluted serially in PBS, with 0.01% BSA (pH 7.4). Duplicate samples of 100 ul were then transferred to LEPR-coated microtiter wells and incubated for 2h at 37°C. Wells were washed with PBST and incubated for 1h with anti-LEP pAb, then aspirated and washed 3 times. After incubation with HRP labelled secondary antibody, wells were aspirated and washed 3 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37°C. Finally, add 50 µL stop solution to the wells and read at 450 nm immediately. The binding activity of of LEP and LEPR was shown, the EC50 for this effect is 0.26 ug/mL.
Molecular Mass : 21.7kDa
Endotoxin : <1.0EU per 1μg (determined by the LAL method).
Purity : > 90% as determined by SDS-PAGE.
Storage : Avoid repeated freeze/thaw cycles. Store at -20°C for 12 months. Aliquot and store at -80°C for 12 months.
Reconstitution : Reconstitute in 10mM PBS (pH7.4) to a concentration of 0.1-1.0 mg/mL. Do not vortex.
Gene Name Lep leptin [ Mus musculus ]
Official Symbol LEP
Synonyms LEP; leptin; obesity factor; ob; obese;
Gene ID 16846
mRNA Refseq NM_008493
Protein Refseq NP_032519

Not For Human Consumption!

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