PMC:7291971 / 19374-20163 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7291971","sourcedb":"PMC","sourceid":"7291971","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7291971","text":"ping enzyme (D1-D12) (41 U), human RNA N7 MTase (hRNMT) (50 nM). Compounds were previously dissolved in 100% DMSO. n.i: no inhibition detected at 50 μM.\nUnexpectedly, all the bisubstrate compounds were barely active against the 2′-O MTases of flaviviruses or coronavirus SARS-CoV. In contrast, most of the compounds displayed inhibition of N7-MTases. Dinucleoside 2 bearing the amino acid chain of the SAM showed some significant inhibition of both viral N7-MTases with a better activity on Vaccinia D1-D12 than on SARS-CoV nsp14. However, compound 2 also displayed a potent inhibition of hRNMT in the same range as the viral MTases displaying a lack of specificity against human and viral enzymes. The amino acid group of 2 seems essential for inhibition since compound 1 with a 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