Nakajima H, Kitabatake S, Tsurutani R, Tomioka I, Yamamoto K, Imahori K
Biochim Biophys Acta. 1984 Oct 23;790(2):197-9. doi: 10.1016/0167-4838(84)90224-3.
Several kinds of dipeptide derivative were shown to be formed by the reactions of the aminoacyl adenylate-aminoacyl-tRNA synthetase complex and amino acid ester or amide. It was shown that the peptide bond could be formed by aminoacyl-tRNA synthetases even in the absence of the ribosome.