Strong competitive inhibitor of methyltransferases which uses S-adenosyl-1-methionine as the methyl group donor to yield methylated products such as 5-methylcytosine or N6-methyl adenosine on DNA and RNA. In addition, sinefungin is involved in a number of physiological processes. Alternative name: 6,9-Diamino-1-(6-amino-9H-purin-9-yl)-1,5,6,7,8,9-hexadeoxy-D-glycero-alpha-L-talo-decafuranuronic acid, A-9145, Adenosylornithine. Purity: ≥95% (HPLC). Appearance: White to yellow powder. Solubility: Soluble in water. Long Term Storage: -20°C.