Recombinant Human IL-2 (aldesleukin)
Recombinant Human Interleukin-2 is produced by our E.coli expression system and the target gene encoding Pro22-Thr153(Cys145Ser) is expressed.
Description
| Reference | ESCIT147 |
|---|---|
| Size | 10ug |
| Molecular Weight | 15.5 KDa |
| Purity | Greater than 95% as determined by reducing SDS-PAGE. |
| Endotoxin | Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test. |
| Biological Activity | Measured in a cell proliferation assay using CTLL?2 mouse cytotoxic T cells. The ED50 for this effect is 90-270 pg/ml. |
Other names: Interleukin-2; IL-2; T-cell growth factor; TCGF; Aldesleukin
Redissolve: Always centrifuge tubes before opening.Do not mix by vortex or pipetting.
It is not recommended to reconstitute to a concentration less than 100?g/ml.
Dissolve the lyophilized protein in distilled water.
Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
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.
Background: Recombinant Human Interleukin-2 is a highly purified protein with a molecular weight of approximately 15,300 Daltons. The chemical name is des-alanyl-1, serine-145 Human Interleukin-2. It is produced by recombinant DNA technology using a genetically engineered E. coli strain containing an analog of the human interleukin-2 gene. Genetic engineering techniques were used to modify the Human IL-2 gene, and the resulting expression clone encodes a modified Human IL-2. This recombinant form differs from native Interleukin-2 in following ways: it is not glycosylated; the molecule has serine substituted for cysteine at amino acid position 145; the aggregation state of molecule is likely to be different from that of native IL-2.