Fig. 4From: Modified substrate specificity of a methyltransferase domain by protein insertion into an adenylation domain of the bassianolide synthetaseIn vitro methylation activity and substrate specificity of MTBSLS. a Methylation was tracked using a 3H-labeled methyl group (highlighted in blue) from the co-substrate AdoMet. “R” represents amino acid side chain. b Concentration-dependent methylation rate of L-Phe-SNAC (blue trace) and L-Leu-SNAC (orange trace) by isolated MTBSLSBack to article page