(E)-4-coumarate + ATP + H(+) => (E)-4-coumaroyl-AMP + diphosphate
(e)-4-coumarate + atp + h(+) => (e)-4-coumaroyl-amp + diphosphate
(E)-4-coumarate + ATP + H(+) => (E)-4-coumaroyl-AMP + diphosphate
(e)-4-coumarate + atp + h(+) => (e)-4-coumaroyl-amp + diphosphate