Type
Recombinant
Description
BMPs(BoneMorphogeneticProteins)belongtotheTGF-βsuperfamilyofstructurallyrelatedsignalingproteins.BMP-2 isapotentosteoinductivecytokine,capableofinducingboneandcartilageformationinassociationwithosteoconductivecarrierssuchascollagenandsynthetichydroxyapatite.Inadditiontoitsosteogenicactivity,BMP-2 playsanimportantroleincardiacmorphogenesis,andisexpressedinavarietyoftissues,includinglung,spleen,brain,liver,prostateovaryandsmallintestine.ThefunctionalformofBMP-2 isa26 kDaproteincomposedoftwoidentical114 aminoacidpolypeptidechainslinkedbyasingledisulfidebond.EachBMP-2 monomerisexpressedastheC-terminalpartofaprecursorpolypeptide,whichalsocontainsa23 aminoacidsignalsequenceforsecretion,anda259 aminoacidpropeptide.Afterdimerizationofthisprecursor,thecovalentbondsbetweenthepropeptide(whichisalsoadisulfide-linkedhomodimer)andthematureBMP-2 ligandarecleavedbyafurin-typeprotease.RecombinantHumanBMP-2 isa26.0 kDahomodimericproteinconsistingoftwo115 aminoacidpolypeptidechains.ManufacturedusingallAnimal-Freereagents.
AminoAcidSequence
MQAKHKQRKRLKSSCKRHPLYVDFSDVGWNDWIVAPPGYHAFYCHGECPFPLADHLNSTNHAIVQTLVNSVNSKIPKACCVPTELSAISMLYLDENEKVVLKNYQDMVVEGCGCR
Source
E.coli
Purity
98%
BIOLOGicalActivity
DeterminedbyitsABIlitytoinducealkalinephosphataseproductionbyATDC-5 cells. TheexpectedED50forthiseffectis0.5–1.0 µg/ml.
Endotoxin
Endotoxinlevelis<0.1 ng/μgofprotein(<1EU/μg).
Reconstitution
Centrifugethevialpriortoopening.ReconstituteinwatercontainingBSA(50ugofBSAper1ugofprotein)toaconcentrationof0.1–1.0 mg/ml.Donotvortex.Forextendedstorage,itisrecommendedtofurtherdiluteinabuffercontainingacarrierprotein(example0.1%BSA)andstoreinworkingaliquotsat –20°Cto –80°C
Storage/Expiration
–20°C