Reaction catalyzed by glucose 1-dehydrogenase (PQQ, quinone) (1.1.5.2), glucose 1-dehydrogenase (FAD, quinone) (1.1.5.9), soluble quinoprotein glucose dehydrogenase (1.1.99.35)

		+			=			+
	D-glucose	+		phenazine methosulfate	=		D-glucono-1,5-lactone	+		reduced phenazine methosulfate