2.1.1.290 tRNAPhe [7-(3-amino-3-carboxypropyl)wyosine37-O]-methyltransferase methylation Saccharomyces cerevisiae Q08282 2.1.1.301 cypemycin N-terminal methyltransferase methylation Streptomyces sp. - 2.3.1.231 tRNAPhe {7-[3-amino-3-(methoxycarbonyl)propyl]wyosine37-N}-methoxycarbonyltransferase methylation Saccharomyces cerevisiae Q08282