preferred_name: a 5-methyluridine in 12S rRNA + S-adenosyl-L-homocysteine + H(+) => a uridine in 12S rRNA + S-adenosyl-L-methionine
preferred_name_lc: a 5-methyluridine in 12s rrna + s-adenosyl-l-homocysteine + h(+) => a uridine in 12s rrna + s-adenosyl-l-methionine
label: a 5-methyluridine in 12S rRNA + S-adenosyl-L-homocysteine + H(+) => a uridine in 12S rRNA + S-adenosyl-L-methionine
label_lc: a 5-methyluridine in 12s rrna + s-adenosyl-l-homocysteine + h(+) => a uridine in 12s rrna + s-adenosyl-l-methionine