Elongation factor Tu mutants expand amino acid tolerance of protein biosynthesis system. [2007] Title Elongation factor Tu mutants expand amino acid tolerance of protein biosynthesis system.J. Am. Chem. Soc. 129, 14458-14462. Author Yoshio Doi, Takashi Ohtsuki, Yoshihiro Shimizu, Takuya Ueda, and Masahiko Sisido Related Products and Services PUREfrex®