L-glutaminyl-[protein] + S-adenosyl-L-methionine <=> N(5)-methyl-L-glutaminyl-[protein] + S-adenosyl-L-homocysteine + H(+)
l-glutaminyl-[protein] + s-adenosyl-l-methionine <=> n(5)-methyl-l-glutaminyl-[protein] + s-adenosyl-l-homocysteine + h(+)
L-glutaminyl-[protein] + S-adenosyl-L-methionine <=> N(5)-methyl-L-glutaminyl-[protein] + S-adenosyl-L-homocysteine + H(+)
l-glutaminyl-[protein] + s-adenosyl-l-methionine <=> n(5)-methyl-l-glutaminyl-[protein] + s-adenosyl-l-homocysteine + h(+)