
ProductDescription:
TNF-βisapotentmediatorofinflammatoryandimmuneresponses.ItbelongstotheTNFfamilyofligands,andsignalsthroughTNFR1andTNFR2.TNF-βisproducedbyactivatedTandBlymphocytes,andhassimilaractivitiestoTNF-α.LikeTNF-α,TNF-βisinvolvedintheregulationofvariousBIOLOGicalprocesses,includingcellproliferation,differentiation,apoptosis,lipidmetabolism,coagulation,andneurotransmission.TNF-βissecretedasasolublepolypeptide,butcanformheterotrimerswithlymphotoxin-β,whicheffectivelyanchorstheTNF-βtothecellsurface.TNF-βiscytotoxictoawiderangeoftumorcells.RecombinantHumanTNF-βisasecreted172aminoacidprotein(18.6kDa)whichformsanactivenon-disulfide-linkedhomotrimerstructureinsolution.
TechnicalSpecifications:
- Species:Human
- Expression:E.coliCellExpressed
- Activity:Typically≤0.05ng/mlED50
- Purity:≥98%
- Endotoxin:<1.0EU/μg
- MolecularMass:18.6kDa
- CountryofOrigin:USA
PurityConfirmation:
ThiswasdeterminedbySDS-PAGEgelandHPLCanalysis.
ActivityAssay:
TheED50wasdeterminedbythecytolysisofmurineL929cellsinthepresenceofActinomyocinD.
AASequence:
MLPGVGLTPS | AAQTARQHPK | MHLAHSTLKP |
AAHLIGDPSK | QNSLLWRANT | DRAFLQDGFS |
LSNNSLLVPT | SGIYFVYSQV | MVYPGLQEPW |
LHSMYHGAAF | QLTQGDQLST | HTDGIPHLVL |
SPSTVFFGAF | AL |
ReconstitutionBuffer:
Centrifugethevialpriortoopening.Reconstituteinwatertoaconcentrationof0.1-1.0mg/ml.Donotvortex.
Storage:
Thissolutioncanbestoredat2-8°Cforupto1week.Forextendedstorage,itisrecommendedtofurtherdiluteinabuffercontainingacarrierprotein(example0.1%HSA)andstoreinworkingaliquotsat-20°Cto-80°C.