Tags: Enzyme.
23S rRNA (uracil1939-C5)-methyltransferase (EC 2.1.1.190 RumA RNA uridine methyltransferase A YgcA) is an enzyme with system name S-adenosyl-L-methionine:23S rRNA (uracil1939-C5)-methyltransferase. This enzyme catalyses the following chemical reaction S-adenosyl-L-methionine + uracil1939 in 23S rRNA S-adenosyl-L-homocysteine + 5-methyluracil1939 in 23S rRNAThe enzyme specifically methylates uracil1939 at C5 in 23S rRNA.