recombinant, expressed in E. coli, buffered aqueous glycerol solution, hydroxamate transferase ≥200 units/mg protein (biuret)
powder, ~1 U/mg
powder, white, ~8 U/mg
Type C-3, powder, ≥600,000 units/g solid
Type III, powder, 15,000-50,000 units/g solid
Type III, glycerol solution, 500-800 units/mL
Type IX, powder, 50,000-100,000 units/g solid
Suitable for use as a molecular weight marker in a non-denaturing PAGE system, approximate molecular mass 272 kDa (trimer) and 545 kDa (hexamer).