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Catalog No: OPPA00762 (Formerly GWB-D20F14)
Size:20UG
Price: $116.00
SKU
OPPA00762
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Leptin Porcine Protein (OPPA00762)

Datasheets/ManualsPrintable datasheet for OPPA00762
Product Info
Predicted Species ReactivityPorcine
Product FormatThe protein was lyophilized from a concentrated (1mg/ml) solution with 0.0045mM NaHCO3. Physical appearance: Sterile Filtered White lyophilized (freeze-dried) powder.
HostE. Coli
Additional InformationSolubility: It is recommended to reconstitute the lyophilized Leptin in sterile 18M Omega -cm H2O not less than 100 ug/ml, which can then be further diluted to other aqueous solutions.
::Biological Activity: Biological active as evidenced by inducing proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor.
::Protein Content: Protein quantitation was carried out by two independent methods1. UV spectroscopy at 280 nm using the absorbency value of 0.53 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). 2. Analysis by RP-HPLC,using calibrated solution of Leptin Porcine as a Reference Standard.
Protein Content: Protein quantitation was carried out by two independent methods1. UV spectroscopy at 280 nm using the absorbency value of 0.53 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). 2. Analysis by RP-HPLC,using calibrated solution of Leptin Porcine as a Reference Standard.
::Product Introduction: A 16-kDa peptide hormone secreted from white adipocytes and implicated in the regulation of food intake and energy balance. Leptin provides the key afferent signal from fat cells in the feedback system that controls body fat stores.
Product Description: Leptin Porcine Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 146 amino acids and having a molecular mass of 16 kDa.The Leptin is purified by proprietary chromatographic techniques.
Reconstitution and StorageLyophilized Leptin although stable at room temperature for 3 weeks, should be stored desiccated below -18C. Upon reconstitution Leptin should be stored at 4C between 2-7 days and for future use below -18C. For long term storage it is recommended to add a carrier protein (0. 1% HSA or BSA). Please prevent freeze-thaw cycles.
PurityGreater than 95.0% as determined by (a) Analysis by RP-HPLC. (b) Analysis by SDS-PAGE.
Peptide SequenceThe sequence of the first five N - terminal amino acids was determined and was found to be Ala - Val - Pro - Ile - Arg.
Gene SymbolpLeptin
Alias SymbolsOB, OBS
NCBI Gene Id396832
Protein NameLeptin
Description of TargetRecombinant Porcine Leptin
Uniprot IDQ29406
Protein Accession #NP_999005.1
Protein Size (# AA)Recombinant
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