guanosine(1145) in 16S rRNA + S-adenosyl-L-methionine => 2'-O-methylguanosine(1145) in 16S rRNA + S-adenosyl-L-homocysteine + H(+)
guanosine(1145) in 16s rrna + s-adenosyl-l-methionine => 2'-o-methylguanosine(1145) in 16s rrna + s-adenosyl-l-homocysteine + h(+)