Specific activity:≥ 90U/mg protein
Unit definition:One unit will oxidate one micromole of androsterone per min at pH 8.25 at 25℃.
Molecular weight:28 kDa (SDS-PAGE)
Isoelectric point:7.5
Michaelis constant:3.0×10-5M(androsterone) 6.0×10-6M(NAD+)
Optimum pH:10.5
Optimum temperature:60℃
pH Stability:4.5~10.5(30℃,20hr)
Thermal stability:< 50℃ (pH 7.2, 20min)
Inhibitors:Ag+,Hg2+,Cu2