recombinant, expressed in E. coli, lyophilized powder, ≥2 units/mg solid
lyophilized powder, 15-30 units/mg protein (biuret)
lyophilized powder, 3.0-20.0 units/mg protein (biuret)
buffered aqueous glycerol solution, ≥100 units/mg protein (Bradford)
lyophilized powder, 50,000-150,000 units/mg protein (Lowry)
ammonium sulfate suspension, ≥50 units/mg protein
lyophilized powder, ≥3,000 units/mg protein (biuret)
lyophilized powder, ≥1.5 units/mg protein