MW:230,000
ExtinctionCoefficient:1.39
Frozenin50mMTris-HCl,pH8.0.
Storage:-70°Corlower
BuyPurifiedNativeHumanCatalase,HumanErythrocyte.
Price$110.00/mg.BulkQtyAvailable.
Composedoffouridenticalsubunitseachwithamolecularweightof58,000.Catalyzesthereaction2H2O2toH2O+O2.Catalase,alongwiththesuperoxidesdismutaseandglutathioneperoxidase,controlsthelevelsofoxygen-derivedfreerADIcalsinmammaliancells,andtogethermayfunctionasasomaticoxidantdefense.
Ref.Bonaventura,J.etAl.1972.Arch.Biochem.Biophys.150,606;Maehly,A.C.andChance,B.1954.MethodsBiochem.Anal.1,357.
Purity:>=95%bySDS-PAGE
Activity:Greaterthan50,000unitspermgprotein.Oneunitisequaltotheamountofenzymewhichwilldecomposeonemicromoleofhydrogenperoxideperminuteat25degreesCelcius,pH7.0.
ProductCitation:
Xiao,Wusheng,YuemingZhu,EhabH.Sarsour,AmandaL.Kalen,NukhetAykin-Burns,DouglasR.Spitz,andPrabhatC.Goswami."SelenoproteinPregulates1-(4-Chlorophenyl)-benzo-2,5-quinoneinducedoxidativestressandtoxicityinhumankeratinocytes." FreeRadicalBIOLOGyandMedicine (2013)
PreparedfromwholebloodshowntobenonreactiveforHBsAg,anti-HCV,anti-HBc,andnegativeforanti-HIV1&2byFDAapprovedtests.
AthensResearch&TechnologyproductsarelaboratoryreagentsandarenottobeadmiNISTeredtohumansorusedforanydrugpurpose.Forresearchorfurthermanufacturinguseonly.