Accession NumberHMDB01961
Common_Name1,7-Dimethylguanosine
Description1,7-dimethylguanosine is a modified ribonucleoside. 1,7-dimethylguanosine is formed in tRNA enzymatic methylation. 1,7-Dimethylguanosine was found to be formed in high amounts in the tRNA methylation reaction at high concentrations of methylating agents.1,7-dimethylguanosine has a possible connection to chemical cancerogenesis and to the aberrant increase of tRNA methylases activity in tumor tissues. The amount of 1,7-dimethylguanosine produced by the kidney is higher than that produced by the liver. The immediate precursor in the formation of 1,7-dimethylguanosine in tRNA appears to be 1-methylguanosine. An accumulation of modified ribonucleosides appears in the serum of uremic patients. (PMID: 7046770, 6164398, 7259877, 7159514, 9607216)
Chemical_IUPAC_Name(2R,3R,4S,5R)-2-(2-amino-1,7-dimethyl-6-oxopurin-9-ium-9-yl)-4-hydroxy-5-(hydroxymethyl)oxolan-3-olate
Chemical FormulaC12H17N5O5
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