Abstract
Five Tyr residues present in the native organophosphate hydrolase (OPH) containing a hexahistidine tag at the N-terminus of the protein molecule (His6-OPH) were replaced by fluorine-containing analogs using a biosynthetic approach. The modified enzyme had an extended pH-optimum of action shifted to acidic pH and an enhanced thermal stability in the alkaline pH region.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 2, pp. 357–361, February, 2006.
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Votchitseva, Y.A., Efremenko, E.N. & Varfolomeyev, S.D. Insertion of an unnatural amino acid into the protein structure: preparation and properties of 3-fluorotyrosine-containing organophosphate hydrolase. Russ Chem Bull 55, 369–374 (2006). https://doi.org/10.1007/s11172-006-0262-7
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DOI: https://doi.org/10.1007/s11172-006-0262-7