guanosine(1835) in 23S rRNA + S-adenosyl-L-methionine = N(2)-methylguanosine(1835) in 23S rRNA + S-adenosyl-L-homocysteine + H(+)
guanosine(1835) in 23s rrna + s-adenosyl-l-methionine = n(2)-methylguanosine(1835) in 23s rrna + s-adenosyl-l-homocysteine + h(+)