lyophilized powder, recombinant, expressed in E. coli; ≥80% protein basis (biuret); ≥1.0 units/mg protein
recombinant, expressed in E. coli BL21, ≥5 units/mg protein
recombinant, expressed in E. coli BL21, ≥2 units/mg protein
lyophilized powder, ≥25 units/mg protein
lyophilized powder, 25-125 units/mg protein
Type I, ammonium sulfate suspension, 200-500 units/mg protein
lyophilized powder, ≥75 units/mg protein
ammonium sulfate suspension, ≥75 units/mg protein