“Furthermore, the inhibition investigation demonstrated that, … the presence of 160 μM S-adenosyl-L-methionine as … donor, 5-aza-2'-deoxycytidine , procaine, epicatechin, and caffeic acid could inhibit the M. SssI MTase activity with the …(50) values of 45.77, 410.3, 129.03, and 124.2 μM, respectively.”