ProductDescription:
ActivinBisaTGF-βfamilymemberthatexhibitsawiderangeofBIOLOGicalactivities,includingregulationofembryogenesis,osteogenesis,hematopoiesis,reproductivephysiologyandhormonesecretionfromthehypothalamic,pituitaryandgonadalglands.ActivinB,likecertainothermembersoftheTGF-βfamily,signalsthroughtheActRIIreceptor(ActivinReceptortypeII).Activinsarehomodimersorheterodimersofdifferentβsubunits.TheyareproducedasprecursorproteinswithanaminoterminalpropeptidethatiscleavedtoreleasetheC-terminalbioactiveligand.HumanActivinBisa25.6kDadisulfide-linkedhomodimerconsistingoftwoβBchains,eachcontaining115aminoacidresidues.
TechnicalSpecifications:
- Species:Human
- Expression:Hi-5InsectCellExpressed
- Activity:Typically≤2.0ng/mlED50
- Purity:≥95%
- Endotoxin:<1.0EU/μg
- MolecularMass:25.6kDa
- Formulation:10mMSodiumCitrate,pH3.0+5%Trehalose
- CountryofOrigin:USA
PurityConfirmation:
ThiswasdeterminedbySDS-PAGEgelandHPLCanalysis.
ActivityAssay:
DeterminedbyitsABIlitytoinhibittheproliferationofmouseMPC-11cells.
AASequence:
GLECDGRTNL | CCRQQFFIDF | RLIGWNDWII |
APTGYYGNYC | EGSCPAYLAG | VPGSASSFHT |
AVVNQYRMRG | LNPGTVNSCC | IPTKLSTMSM |
LYFDDEYNIV | KRDVPNMIVE | ECGCA |
ReconstitutionBuffer:
Centrifugethevialpriortoopening.Reconstitutein10mMSodiumCitrate,pH3.0toaconcentrationof0.5mg/ml.Donotvortex.
Storage:
Forextendedstorage,itisrecommendedtofurtherdiluteinabuffercontainingacarrierprotein(example0.1%HSA)andstoreinworkingaliquotsat-20°Cto-80°C.