Reaction catalyzed by 4-hydroxybenzoate adenylyltransferase FadD22 (6.2.1.50)
+
holo-[4-hydroxyphenylalkanoate synthase]
=
AMP
+
4-hydroxybenzoyl-[4-hydroxyphenylalkanoate synthase]
4-hydroxybenzoyl-adenylate
+
holo-[4-hydroxyphenylalkanoate synthase]
=
AMP
+
4-hydroxybenzoyl-[4-hydroxyphenylalkanoate synthase]