全部
≥200U/mg protein
≥400?units/mg protein (biuret), ammonium sulfate suspension
≥600?units/mg protein (biuret), ammonium sulfate suspension
ammonium sulfate suspension, 2000-4000?units/mg protein (modified Warburg-Christ
BR,200u/mg proten
buffered aqueous glycerol solution, 600-1000?units/mg protein (biuret)
EnzymoPure?, > 550 units/mg
lyophilized powder, ≥50?units/mg solid
N/A