preferred_name: a 2'-O-methylguanosine in 21S rRNA + S-adenosyl-L-homocysteine + H(+) => a guanosine in 21S rRNA + S-adenosyl-L-methionine
preferred_name_lc: a 2'-o-methylguanosine in 21s rrna + s-adenosyl-l-homocysteine + h(+) => a guanosine in 21s rrna + s-adenosyl-l-methionine
label: a 2'-O-methylguanosine in 21S rRNA + S-adenosyl-L-homocysteine + H(+) => a guanosine in 21S rRNA + S-adenosyl-L-methionine
label_lc: a 2'-o-methylguanosine in 21s rrna + s-adenosyl-l-homocysteine + h(+) => a guanosine in 21s rrna + s-adenosyl-l-methionine