IL-13 Long Form from rat
SIGMA/SRP3241 - recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
Synonym: NC300 (Human) P600 (Murine); interleukin 13
Product Type: Chemical
| assay | ≥98% (HPLC) |
| ≥98% (SDS-PAGE) | |
| biological source | rat |
| color | white to off-white |
| form | lyophilized |
| impurities | <0.1 EU/μg endotoxin, tested |
| mol wt | 12.3 kDa |
| packaging | pkg of 10 μg |
| potency | ≤5.0 ng/mL ED50 |
| recombinant | expressed in E. coli |
| shipped in | wet ice |
| storage temp. | −20°C |
| technique(s) | cell culture | mammalian: suitable |
| UniProt accession no. | P42203   |
| Biochem/physiol Actions: | IL13 (interleukin 13) is up-regulated during parasitic infections, and participates in host’s protective immunity against Schistosoma japonicum. This protein promotes eosinophil activation resulting in elevated specific IgE against adult and larval antigens. During acute infection it promotes egg expulsion through increased intestinal contractility. It acts as a liver protective agent where it promotes formation of liver granulomas in a CD4+ T cell-mediated manner, which results in liver fibrosis. In airway disorders, such as asthma, chronic obstructive pulmonary disease (COPD), and cystic fibrosis lung disease, IL13 promotes the formation of airway goblet cells, resulting in excess mucus secretion, which in turn, is regulated by IL13-activated autophagy. |
| General description: | IL13 (interleukin 13) is a classic cytokine produced by Th2 (T-helper) cells. It was originally identified as an inflammatory cytokine production-inhibiting T-cell derived cytokine. Human and murine IL-13 is cross-species reactive. Recombinant rat IL-13 is a 11.9kDa protein consisting of 109 amino acid residues. |
| Physical form: | Lyophilized with no additives. |
| Reconstitution: | Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C. |
| Sequence: | TPGPVRRSTS PPVALRELIE ELSNITQDQK TSLCNSSIVW SVDLTAGGFC AALESLTNIS SCNAIHRTQR ILNGLCNQKA SDVASSPPDT KIEVAQFISK LLNYSKQLFR YGH |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥98% (HPLC); ≥98% (SDS-PAGE) |
| Storage Temp. | −20°C |
| UNSPSC | 12352200 |