Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Takashi Ohtsuki and Hiromichi Yamamoto and Yoshio Doi,Use of EF-Tu mutants for determining and improving aminoacylation efficiency and for purifying aminoacyl tRNAs with non-natural amino acids,The journal of biochemistry,0021924X,Tokyo : Japanese Biochemical Society,2010-08,148,2,239-246,https://cir.nii.ac.jp/crid/1524232504449178368,