>
产品中心 >
Other_recombinant_protein >
HumanZyme/IGF-I (Insulin-like Growth Factor-I)/HZ-7047/1000 µg
ProductDescription:
TheIGFsaremitogenic,polypeptidegrowthfactorsthatstimulatetheproliferationandsurvivalofvariouscelltypes,includingmuscle,bone,andcartilagetissueinvitro.IGFsarepredominantlyproducedbytheliver,althoughavarietyoftissuesproducetheIGFsatdistinctivetimes.TheIGFsbelongtotheInsulingenefamily,whichalsocontainsinsulinandrelaxin.TheIGFsaresimilartoinsulinbystructureandfunction,buthaveamuchhighergrowth-promotingactivitythaninsulin.IGF-IIexpressionisinfluencedbyplacentalactogen,whileIGF-Iexpressionisregulatedbygrowthhormone.BothIGF-IandIGF-IIsignalthroughthetyrosinekinasetypeIreceptor(IGF-IR),butIGF-IIcanalsosignalthroughtheIGF-II/Mannose-6-phosphatereceptor.MatureIGFsaregeneratedbyproteolyticprocessingofinactiveprecursorproteins,whichcontainN-terminalandC-terminalpropeptideregions.RecombinantHumanIGF-IandIGF-IIareglobularproteinscontaining70and67aminoacids,respectively,and3intra-moleculardisulfidebonds.
TechnicalSpecifications:
- Species:Human
- Expression:E.coliCellExpressed
- Activity:Typically≤2.0ng/mLED50
- Purity:>98%
- Endotoxin:<1.0EU/μg
- MolecularMass:7.6kDa
- CountryofOrigin:USA
PurityConfirmation:
ThiswasdeterminedbySDS-PAGEgelandHPLCanalysis.
ActivityAssay:
DeterminedbyacellproliferationassayusingFDC-P1cells.
AASequence:
GPETLCGAEL | VDALQFVCGD | RGFYFNKPTG |
YGSSSRRAPQ | TGIVDECCFR | SCDLRRLEMY |
CAPLKPAKSA |
ReconstitutionBuffer:
Centrifugethevialpriortoopening.Reconstituteinwatertoaconcentrationof0.1-1.0mg/ml.Donotvortex.
Storage:
Forextendedstorage,itisrecommendedtofurtherdiluteinabuffercontainingacarrierprotein(example0.1%HSA)andstoreinworkingaliquotsat-20°Cto-80°C.