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We have obtained mutants of Pyrococcus furiosus ornithine carbamoyltransferase active at low temperatures by selecting for complementation of an appropriate yeast mutant after in vivo mutagenesis. The mutants were double ones, still complementing at 15 degrees C, a temperature already in the psychrophilic range. Their kinetic analysis is reported.

journal of bacteriology

Experimental Evolution of Enzyme Temperature Activity Profile: Selection In Vivo and Characterization of Low-Temperature-Adapted Mutants of <i>Pyrococcus furiosus</i> Ornithine Carbamoyltransferase

Experimental Evolution of Enzyme Temperature Activity Profile: Selection In Vivo and Characterization of Low-Temperature-Adapted Mutants of Pyrococcus furiosus Ornithine Carbamoyltransferase