small RNA 3'-end nucleotide + S-adenosyl-L-methionine => small RNA 3'-end 2'-O-methylnucleotide + S-adenosyl-L-homocysteine + H(+)
small rna 3'-end nucleotide + s-adenosyl-l-methionine => small rna 3'-end 2'-o-methylnucleotide + s-adenosyl-l-homocysteine + h(+)
small RNA 3'-end nucleotide + S-adenosyl-L-methionine => small RNA 3'-end 2'-O-methylnucleotide + S-adenosyl-L-homocysteine + H(+)
small rna 3'-end nucleotide + s-adenosyl-l-methionine => small rna 3'-end 2'-o-methylnucleotide + s-adenosyl-l-homocysteine + h(+)