FIG 3.

Eight mutants obtained by the first-round screening together with the wild type were purified and assayed with their STA. Enzyme activities were assayed at pH 10.0, 40°C, with 20 μL purified enzyme.

Eight mutants obtained by the first-round screening together with the wild type were purified and assayed with their STA. Enzyme activities were assayed at pH 10.0, 40°C, with 20 μL purified enzyme.