ProductDescription:
MTGFalphaisanEGF-relatedpolypeptidegrowthfactorthatsignalsthroughtheEGFreceptor,andstimulatestheproliferationofawiderangeofepidermalandepithelialcells.Itisproducedbymonocytes,keratinocytes,andvarioustumorcells.TGFalphainducestransformationanchorageindependenceinculturedcells.Human,murineandratTGFalphaarecross-speciesreactive.RecombinanthumanTGFalphaisa50aminoacidpolypeptide(5.5kDa)whichsharesapproximately40%sequencehomologywithEGF,including6conservedcysteineresidues,whichform3intramoleculardisulfidebonds.
TechnicalSpecifications:
- Species:Human
- Expression:E.coliCellExpressed
- Activity:Typically≤0.2ng/mlED50
- Purity:≥98%
- Endotoxin:<1.0EU/μg
- MolecularMass:5.5kDa
- CountryofOrigin:USA
PurityConfirmation:
ThiswasdeterminedbySDS-PAGEgelandHPLCanalysis.
ActivityAssay:
TheED50asdeterminedbythedose-dependentstimulationofthymidineuptakebyBALB/c3T3cellsis≤0.2ng/ml,correspondingtoaspecificactivityof≥5x106units/mg.
AASequence:
VVSHFNDCPD | SHTQFCFHGT | CRFLVQEDKP |
ACVCHSGYVG | ARCEHADLLA |
ReconstitutionBuffer:
Centrifugethevialpriortoopening.Reconstituteinwatertoaconcentrationof0.1-1.0mg/ml.Donotvortex.
Storage:
Forextendedstorage,itisrecommendedtofurtherdiluteinabuffercontainingacarrierprotein(example0.1%HSA)andstoreinworkingaliquotsat-20°Cto-80°C.