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The beta-lactamase secreted by the antarctic psychrophile Psychrobacter immobilis A8
1Laboratory of Biochemistry, Université de Liège, Liège-Sart Tilman, Belgium.
Applied and Environmental Microbiology
|December 1, 1995
Abstract:
A class C beta-lactamase has been purified from the culture supernatant of the antarctic psychrophile Psychrobacter immobilis A8. This psychrophilic beta-lactamase displays a low level of thermal stability and a low optimal temperature of activity. In contrast to other cold-adapted enzymes, its level of specific activity is not higher than that of mesophilic class C beta-lactamases.