3α羟基类固醇脱氢酶

    Specificactivity:≥90U/mgprotein
    Unitdefinition:OneunitwilloxidateonemicromoleofandrosteroneperminatpH8.25at25℃.
    Molecularweight:28kDa(SDS-PAGE)
    Isoelectricpoint:7.5
    Michaelisconstant:3.0×10-5M(androsterone)6.0×10-6M(NAD+)
    OptimumpH:10.5
    Optimumtemperature:60℃
    pHStability:4.5~10.5(30℃,20hr)
    Thermalstability:<50℃(pH7.2,20min)
    Inhibitors:Ag+,Hg2+,Cu2+,Zn2+,Fe3+
    储存条件：-20℃