https://www.selleckchem.com/pr....oducts/phorbol-12-my
Cold-adapted pullulanase with high catalytic activity and stability is of special interest for its wide application in cold starch hydrolysis, but few pullulanases displaying excellent characteristics at ambient temperature and acidic pH have hitherto been reported. Here, a novel pullulanase from Bacillus methanolicus PB1 was successfully expressed in Escherichia coli BL21 (DE3) and determined to be a cold-adapted type I pullulanase (PulPB1) with maximum activity at 50 °C and pH 5.5. The recombinant PulPB1 showed
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