preferred_name: a uridine in rRNA + S-adenosyl-L-methionine => a 2'-O-methyluridine in rRNA + S-adenosyl-L-homocysteine + H(+)
preferred_name_lc: a uridine in rrna + s-adenosyl-l-methionine => a 2'-o-methyluridine in rrna + s-adenosyl-l-homocysteine + h(+)
label: a uridine in rRNA + S-adenosyl-L-methionine => a 2'-O-methyluridine in rRNA + S-adenosyl-L-homocysteine + H(+)
label_lc: a uridine in rrna + s-adenosyl-l-methionine => a 2'-o-methyluridine in rrna + s-adenosyl-l-homocysteine + h(+)