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Catalog Number | orb1229822 |
---|---|
Category | Proteins |
Description | IL-4 Recombinant Protein |
Tag | Tag Free |
Form/Appearance | Lyophilized |
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. |
MW | 15.1 kD |
Target | IL4 |
UniProt ID | P05112 |
Protein Sequence | His25-Ser153 |
Source | E. coli |
Biological Activity | ED50 is less than 2 ng/ml as determined by the dose-dependent stimulation of TF-1 cells.Specific Activity of 5.0 x 106 IU/mg. |
NCBI | P05112 |
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. |
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. |
Alternative names | Interleukin-4, IL-4, B-Cell Stimulatory Factor 1, Read more... |
Note | For research use only |
Application notes | This recombinant protein can be used for biological assays. For research use only. |
Expiration Date | 6 months from date of receipt. |
> 98% as determined by SDS-PAGE and HPLC. | |
15.0 kDa | |
E.Coli |
> 96% as determined by SDS-PAGE and HPLC. | |
14.9 kDa | |
E.Coli |
> 97% as determined by SDS-PAGE and HPLC. | |
13.5 kDa | |
E.Coli |
Greater than 95% as determined by SDS-PAGE. | |
15.1 kDa | |
E.coli |
Greater than 95% as determined by SDS-PAGE. | |
14.97 kDa | |
Mammalian cell |