4.1.1.18 5 - 10 h at 37°C, about 80% activity remaining for the wild-type enzyme, and about 75% activity remaining for the recombinant His-tagged mutant T88S 747396 4.1.1.18 5.3 - crystalline enzyme is stable 37294 4.1.1.18 5.5 8 stable 654982 4.1.1.18 6 - recombinant His-tagged wild-type enzyme, most stable at pH 6.0, over 90% activity remaining after 10 h at 37°C, about 85% activity remaining for the mutant T88S 747396 4.1.1.18 7 - recombinant His-tagged mutant T88S, most stable at pH 7.0, over 90% activity remaining after 10 h at 37°C, about 60% activity remaining for the wild-type enzyme 747396 4.1.1.18 7 - recombinant immobilized enzyme CadACLEA and recombinant free enzyme CadAfree, stable up to, 30 min, 37°C, inactivation above 748386 4.1.1.18 8.5 - 10 h at 37°C, about 40% activity remaining for the wild-type enzyme, and about 70% activity remaining for the recombinant His-tagged mutant T88S 747396 4.1.1.18 8.5 - purified recombinant enzyme AsLdc, 10 h, 37°C, residual activity is 71% 748418