... Abstract We investigate the possibility of usage the analog of S-adenosylmethionine - pent-2-en-4-ynyl S-adenosylhomocysteine (AdoEnYn) as a co-factor for the rRNA methyltransferase. ... The functional activity of ribosomes E.coli was tested in different conditions. ... Moscow University Chemistry Bulletin . 2012, Vol. ... 2, P. 126 . Copyright (C) Chemistry Dept., Moscow State University, 2002 . ... Copyright (C) Chemisty Department of Moscow State University . ...