Reaction catalyzed by 3-amino-4-hydroxybenzoate synthase (4.1.99.20)

		=			+			+	2	H2O
	2-amino-4,5-dihydroxy-6-oxo-7-(phosphooxy)heptanoate	=		3-amino-4-hydroxybenzoate	+		phosphate	+		2 H2O