a uridine in RNA + S-adenosyl-L-methionine = a 5-methyluridine in RNA + S-adenosyl-L-homocysteine + H(+)
a uridine in rna + s-adenosyl-l-methionine = a 5-methyluridine in rna + s-adenosyl-l-homocysteine + h(+)
a uridine in RNA + S-adenosyl-L-methionine = a 5-methyluridine in RNA + S-adenosyl-L-homocysteine + H(+)
a uridine in rna + s-adenosyl-l-methionine = a 5-methyluridine in rna + s-adenosyl-l-homocysteine + h(+)