Article
Fluoride as a probe for H-bonding interactions in the active site of heme proteins: the case of Thermobifida fusca hemoglobin.
Journal of the American Chemical Society - 28 Dec 2011
Nicoletti Francesco P, Droghetti Enrica, Boechi Leonardo, Bonamore Alessandra, Sciamanna Natascia, Estrin Darío A, Feis Alessandro, Boffi Alberto, Smulevich Giulietta
Abstract excerpt
The structural and functional properties of the active site of the bacterial hemoglobin from Thermobifida fusca are largely determined by three polar amino acids: TrpG8, TyrCD1, and TyrB10. We have exploited the availability of a combinatorial set of mutants, in each of which these three amino acids have been singly, doubly, or triply replaced by a Phe residue, to perform a detailed study on H-bonding...
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