1,6-dihydroxyphenazine + S-adenosyl-L-methionine => 1-hydroxy-6-methoxyphenazine + S-adenosyl-L-homocysteine + H(+)
1,6-dihydroxyphenazine + s-adenosyl-l-methionine => 1-hydroxy-6-methoxyphenazine + s-adenosyl-l-homocysteine + h(+)