L D Iakusheva

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Intracellular serine protease, termed ISP-103, was isolated from Bacillus subtilis, strain 103. The substrate specificity of the enzyme was compared to that of secretory subtilisins. Similar to subtilisins, ISP-103 cleaves a single peptide bond Ala20-Ser21 within the native pancreatic ribonuclease A, which results in the accumulation of trypsin-sensitive(More)
Kinetics of decreasing proteolytic activity of subtilisin and trypsin during grinding of powders was studied. The enzymes were ground in a ball laboratory vibromill for 1-80 min within the temperature range 80-300 K in the air or helium. Proteolytic activity of the enzymes measured by the splitting of low molecular p-nitroanilide substrates decreases with(More)
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