Improving a natural enzyme activity through incorporation of unnatural amino acids

Isaac N. Ugwumba, Kiyoshi Ozawa, Zhi Qiang Xu, Fernanda Ely, Jee Loon Foo, Anthony J. Herlt, Chris Coppin, Sue Brown, Matthew C. Taylor, David L. Ollis, Lewis N. Mander, Gerhard Schenk, Nicholas E. Dixon, Gottfried Otting, John G. Oakeshott, Colin J. Jackson