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Recombinant Ovine Leptin tA Protein

$ 89.00$ 3,360.00
Please Select Product Options Below To View The Catalog Number.

SKU: QP10767
Species: Ovine
Applications: Bioactive
Available Tags: Untagged
Available Hosts: E. Coli
Purity: Greater than 95.0% as determined by: (a) Gel filtration analysis. (b) Analysis by SDS-PAGE.
Length (Amino Acids):

Size
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Shipping Information
1-3 days
Flat Rate Shipping Anywhere in the US: $45
Datasheets and Documentation
Product Datasheet
SKU: QP10767-5ug

Ovine Leptin tA Bioactive Protein Product Attributes

Product Type: Bioactive Protein
Recombinant Leptin tA based upon sequence from Ovine
Host: QP10767 protein expressed in E. Coli.
Available Tags: Untagged
Protein Construction: A cDNA sequence encoding the sequence of Leptin tA was constructred and used to recombinantly synthesize the protein.
Recommended Applications: Bioactive
Application Notes
Recommended Reconstitution Instructions: It is recommended to reconstitute the lyophilized Leptin-Antagonist Triple Mutant Ovine Recombinant in sterile water or sterile 0.4% NaHCO3 adjusted to pH 8, not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Bioactivity Data: Pegylated triple antagonist is capable of inhibiting leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Its in vitro activity is 6-8 fold lower than the non-pegylated antagonist but in vivo it has profound weight gain effect (as compared to the non-pegylated antagonist like in mouse leptin antagonists), resulting mainly from increased food intake.
Purity: Greater than 95.0% as determined by: (a) Gel filtration analysis. (b) Analysis by SDS-PAGE.
Concentration of Ovine Leptin tA Protein: Protein quantitation was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.2 as the extinction coefficient for a 0.1% (1 mg/ml) solution at pH 8.0. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).
Endotoxin Levels:
Buffer: The protein was lyophilized from a concentrated (0.65 mg/ml) solution with 0.003mM NaHCO3.
Storage Conditions: Lyophilized Leptin Antagonist Triple Mutant Ovine Recombinant although stable at room temperature for several weeks, should be stored desiccated below -18?C. Upon reconstitution at > 0.1 Lep-tA mutant mg/ml and up to 2mM and filter sterilization Leptin 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.
Physical Appearance: White lyophilized (freeze-dried) powder.

Limitations and Performance Guarantee

enQuire Bio's products are guaranteed and approved for RESEARCH USE ONLY or manufacturing purposes. This product may not be used as a pharmaceutical agent, or other product intended for human consumption without meeting additional regulatory requirements. This product is guaranteed to work for a period of two years when stored at -70C or colder, and one year when aliquoted and stored at -20C.

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Recombinant Ovine Leptin tA Protein