3.4.22.25 additional information - pI: 10.6-10.7 3.4.22.25 7 7.5 tert-butyloxycarbonyl-Ala-Ala-Gly 4-nitroanilide 3.4.22.25 7 - azocasein 3.4.22.25 7 - about 3.4.22.25 7.5 - assay at 3.4.22.25 8 - assay at