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Description
Research Area
Images & Validation
−
| Application Notes |
|---|
Key Properties
−| Source | E. coli |
|---|---|
| Biological Activity | ED50 is 5 ng/mL as determined by inducing STAT3 activation in U87 MG human glioblastoma/astrocytoma cells. |
| Target | IL31 |
| Tag | Tag Free |
| MW | 15.8 kD |
| Purity | Greater than 95% as determined by reducing SDS-PAGE.Endotoxin level less than 0.1 ng/ug (1 IEU/ug) as determined by LAL test. |
| Protein Sequence | Ser24-Thr164 |
Storage & Handling
−| Storage | Lyophilized protein should be stored at -20˚°C, though stable at room temperature for 3 weeks.Reconstituted protein solution can be stored at 4-7˚°C for 2-7 days.Aliquots of reconstituted samples are stable at -20˚°C for 3 months. |
|---|---|
| Form/Appearance | Lyophilized |
| Buffer/Preservatives | Lyophilized from a 0.2 um filtered solution of 20mM PB, 150mM NaCl, pH 7.4. It is not recommended to reconstitute to a concentration less than 100 ug/ml. Dissolve the lyophilized protein in ddH2O. |
| Expiration Date | 6 months from date of receipt. |
| Disclaimer | For research use only |
Alternative Names
−Similar Products
−Human IL31 protein (Active) [orb358986]
> 97% as determined by SDS-PAGE and HPLC.
15.8 kDa
E.Coli
500 μg, 100 μg, 10 μgHuman IL31 Protein, hFc Tag [orb1290941]
The purity of the protein is greater than 95% as determined by SDS-PAGE and Coomassie blue staining.
The protein has a predicted molecular mass of 42 kDa after removal of the signal peptide. The apparent molecular mass of IL31-hFc is approximately 35-55 kDa due to glycosylation.
Mammalian
50 μg, 10 μg, 100 μgFeline IL31 Protein, His Tag [orb2321229]
The purity of the protein is greater than 85% as determined by SDS-PAGE and Coomassie blue staining.
The protein has a predicted molecular mass of 16.2 kDa after removal of the signal peptide. The apparent molecular mass of fIL31-His is approximately 15-25 kDa due to glycosylation.
Mammalian
10 μg, 50 μg, 100 μgCanine IL31 Protein, His Tag [orb2321236]
The purity of the protein is greater than 85% as determined by SDS-PAGE and Coomassie blue staining.
The protein has a predicted molecular mass of 16.5 kDa after removal of the signal peptide. The apparent molecular mass of dIL31-His is approximately 15-25 kDa due to glycosylation.
Mammalian
10 μg, 50 μg, 100 μgHuman IL31 Protein, His Tag [orb2321287]
The purity of the protein is greater than 85% as determined by SDS-PAGE and Coomassie blue staining.
The protein has a predicted molecular mass of 17.2 kDa after removal of the signal peptide.
Mammalian
10 μg, 100 μg, 50 μg

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Protocol Information
IL-31 Recombinant Protein (orb1229820)
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