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Leptin, Triple Antagonist Active Protein

For Research Use Only. Not for use in diagnostic procedures. Catalog #: MBS637633

Leptin inhibits food intake and stimulates energy expenditure. Leptin also has thermogenic actions and regulates enzymes of fatty acid oxidation. Severe hereditary obesity in rodents and humans is caused by defects in leptin production. In addition to its… More details

$680 / 0.01 mg +1 FREE 8GB USB
Product Documentation
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Sample Manual Insert View PDF
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Testing Data View PDF
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Certificate of Analysis (COA) View PDF
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QC Report View PDF
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Material Safety Data Sheet View PDF
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Technical Datasheet View PDF
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Protocol View PDF

Product Overview

Online Datasheet in PDF
Product Name
Leptin, Triple Antagonist, Active Protein
Full Product Name
Leptin, Triple Antagonist, Recombinant, Human (Ob, Obese Protein, Obesity Factor)
Sequence
The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Val-Pr o-Ile-Gln
Host
E Coli
Form/Format
Supplied as a sterile-filtered, lyophilized powder in 0.0045mM NaHCO3.
Purity/Purification
Highly Purified
Purity
Preparation and Storage
Lyophilized powder may be stored at 4 degree C for short-term only. Reconstitute to nominal volume by adding sterile 0.4% NaHCO3 and store at -20 degree C. Reconstituted product is stable for 12 months at -20 degree C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Active Protein Note
Protein activity can be an ambiguous term. Please refer to the data sheet or inquire with Technical Support to determine the definition of activity for this product.
Biological Activity
HumanLEP triple antagonist is capable of inhibiting leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. It also inhibits various leptin effects in several in vitro bioassays.
Dimers and Aggregates
The purified hLEP triple antagonist (16K) consists of > 95% monomers as determined by gel-filtration chromatography.
Endotoxin Level
Less than 0.1 ng/ug (IEU/ug) of human LEP triple antagonist
Protein Content
Protein quantitation was carried out by UV spectroscopy at 280nm using the absorbency value of 0.88 as the extinction coefficient for a 0.1% (1mg/ml) solution at pH 8.0. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).
Solubility
It is recommended to reconstitute the lyophilized hLEP mutant in sterile 0.4% NaHCO3 adjusted to pH 8-9, not less than 100ug/ml, which can then be further diluted to other aqueous solutions.

Other Notes

Small volumes of Leptin, Triple Antagonist active protein vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

Searchable Terms for Leptin, Triple Antagonist purchase

MBS637633 is an active protein targeting Leptin, Triple Antagonist. Also known as Leptin, Triple Antagonist, Recombinant, Human (Ob, Obese Protein, Obesity Factor). Host: E Coli.
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