8-demethylnovobiocate synthase activity
Catalysis of the reaction: 3-amino-4,7-dihydroxycoumarin + 3-dimethylallyl-4-hydroxybenzoate + ATP(4-) = H+ + 8-desmethylnovobiocic acid(1-) + AMP(2-) + diphosphoric acid.
GO:0016880
acid-ammonia (or amide) ligase activity
is_a