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A marine Bacillus strain was isolated from the eastern harbour of Alexandria and identified as Bacillus sp. MIG. Maximum activity of studied proteases was obtained when the bacterium was grown in medium with 1 % wheat bran and 0.5% yeast extract in addition to the mineral salts and incubated for 48 h at 30°C and 120 rpm. Two alkaline proteases (Pro 1 and Pro 2) were purified to homogeneity using cation...
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