Article
Color-shifting mutations in the C-domain of L. mingrelica firefly luciferase provide new information about the domain alternation mechanism.
Biochimica et biophysica acta - 1 Dec 2016
Modestova Yulia, Ugarova Natalia N
Abstract excerpt
We identified three color-shifting mutations-Phe467Ser, Glu490Val, and Glu490Lys-in the C-domain of the wild-type recombinant L. mingrelica luciferase. These mutations had moderate effect on the specific activity and thermal stability of the enzyme but changed the pH-dependence of its bioluminescence spectra. We constructed the model structures of the enzyme in three known conformations (open, adenylation, and...
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