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An alginate lyase-producing bacterial strain, Vibrio sp. QY105, was isolated from sea mud of Qingdao. It secreted 90 % of total enzyme activity within the first 20 h of fermentation. An alginate lyase, AlyV5, with an apparent MW of 37 kDa and a specific activity of 2152 U/mg was purified from the culture supernatant. It was most active at 38 °C and pH 7.0(More)
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