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Recombinant Human Interleukin-31 (rHu IL-31) PR1070
RecombinantRecombinant Human Interleukin-31 (rHu IL-31)
Catalog No.PR1070
SourceEscherichia coli.
Molecular WeightApproximately 15.8 kDa, a single non-glycosylated polypeptide chain containing 141 amino acids.
Purity>97% by SDS-PAGE and HPLC analyses.
Biological ActivityFully biologically active when compared to standard.Measured by its ability to induce STAT3 activation in U-87 MG human glioblastoma/astrocytoma cells. 5 ng/mL of rhIL31 can effectively induce STAT3 activation.
Physical AppearanceSterile Filtered White lyophilized (freeze-dried) powder.
FormulationLyophilized from a 0.2mm filtered concentrated solution in PBS.
EndotoxinLess than 1EU/mg of rHuIL-31 as determined by LAL method.
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10µg $298
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Recombinant :
Recombinant Human Interleukin-31 (rHu IL-31)
Source :
Escherichia coli.
Molecular Weight :
Approximately 15.8 kDa, a single non-glycosylated polypeptide chain containing 141 amino acids.
Purity :
>97% by SDS-PAGE and HPLC analyses.
Biological Activity :
Fully biologically active when compared to standard.Measured by its ability to induce STAT3 activation in U-87 MG human glioblastoma/astrocytoma cells. 5 ng/mL of rhIL31 can effectively induce STAT3 activation.
Physical Appearance :
Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation :
Lyophilized from a 0.2mm filtered concentrated solution in PBS.
AA Sequence :
SHTLPVRLLR PSDDVQKIVE ELQSLSKMLL KDVEEEKGVL VSQNYTLPCL SPDAQPPNNI HSPAIRAYLK TIRQLDNKSV IDEIIEHLDK LIFQDAPETN ISVPTDTHEC KRFILTISQQ FSECMDLALK SLTSGAQQAT T
Endotoxin :
Less than 1EU/mg of rHuIL-31 as determined by LAL method.
Reconstitution :
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at <-20°C. Further dilutions should be made in appropriate buffered solutions.
Storage :
This lyophilized preparation is stable at 2-8°C, but should be kept at -20°C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8°C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20°C to -70°C. Avoid repeated freeze/thaw cycles.
Usage :
This material is offered by USA Bioworld biotech for research, laboratory or further evaluation purposes. NOT FOR HUMAN USE. Made in China
Description :
Human IL-31 is a T-cell derived cytokine that shares several structural and functional characteristics with IL-6, Oncostatin M, LIF, and Cardiotrophin-1. It signals through a receptor complex comprised of GPL (GP130-like, IL-31RA) and OSMR (Oncostatin M receptor). GPL/OSMR signaling is a strong activator of STAT3 and STAT5, and can also activate STAT1, Jak1, and Jak2 signaling pathways. IL-31 regulated immune responses have been implicated in skin physiology and inflammatory skin diseases.
Blocking peptide available as PR1070P
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