ProductDescription:
IL-5isahematopoieticgrowthfactorthatstimulatestheproliferationandactivationofeosinophils.Producedbymastcells,Tcells,andeosinophils,IL-5playsanimportantroleininducingcell-mediatedimmunityagainstparasiticinfectionsandcertaintumors.ElevatedlevelsofIL-5leadtoEosinophilia,whichmayresultintheinductionofasthmaandotherallergicdiseases.HumanandmurineIL-5iscross-speciesreactive.RecombinantHumanIL-5isa26.5kDadisulfide-linkedhomodimericproteincontainingtwo116aminoacidchains.
TechnicalSpecifications:
- Species:Human
- Expression:E.coliCellExpressed
- Activity:Typically≤0.15ng/mLED50
- Purity:>98%
- Endotoxin:<1.0EU/μg
- MolecularMass:26.5kDa,homodimeric
- Formulation:20mMSodiumPhosphate,pH7.5
- CountryofOrigin:USA
PurityConfirmation:
ThiswasdeterminedbySDS-PAGEgelandHPLCanalysis.
ActivityAssay:
DeterminedbyitsABIlitytostimulatetheproliferationofhumanTF-1cells.
AASequence:
GPETLCGAEL | VDALQFVCGD | RGFYFNKPTG |
YGSSSRRAPQ | TGIVDECCFR | SCDLRRLEMY |
CAPLKPAKSA |
ReconstitutionBuffer:
Centrifugethevialpriortoopening.Reconstituteinwatertoaconcentrationof0.1-1.0mg/ml.Donotvortex.
Storage:
Thissolutioncanbestoredat2-8°Cforupto1week.Forextendedstorage,itisrecommendedtofurtherdiluteinabuffercontainingacarrierprotein(example0.1%HSA)andstoreinworkingaliquotsat-20°Cto-80°C.