Fig. 3From: Modified substrate specificity of a methyltransferase domain by protein insertion into an adenylation domain of the bassianolide synthetaseIn vitro reactions of MTBSLS with aminoacyl-SNACs. a Methylation of L-Leu-SNAC and L-Phe-SNAC by MTBSLS in the presence of AdoMet. (i) L-Leu-SNAC + MTBSLS; (ii) L-Phe-SNAC + MTBSLS. b ESI-MS (+) spectrum of N-methyl-L-Leu-SNAC. c ESI-MS (+) spectrum of N-methyl-L-Phe-SNACBack to article page