powder, ≥250 units/mg solid
lyophilized powder, ≥2,500 units/mg protein (E1%/280)
powder, ≥400 units/mg protein
recombinant, expressed in E. coli, mol wt ~10.8 kDa
Type XIII, ≥0.6 unit/mg solid
≥20 units/mg protein
lyophilized powder, ≥2.0 units/mg protein
lyophilized powder, ≥250 units/mg protein (E1%/280)