Reaction catalyzed by 2,7-dihydroxy-5-methyl-1-naphthoate 7-O-methyltransferase (2.1.1.303)

		+			=			+
	S-adenosyl-L-methionine	+		1,4-dihydroxy-2-naphthoic acid	=		S-adenosyl-L-homocysteine	+		1-hydroxy-4-methoxy-2-naphthoate