(E,E)-piperate + ATP + CoA = (E,E)-piperoyl-CoA + AMP + diphosphate
(e,e)-piperate + atp + coa = (e,e)-piperoyl-coa + amp + diphosphate
(E,E)-piperate + ATP + CoA = (E,E)-piperoyl-CoA + AMP + diphosphate
(e,e)-piperate + atp + coa = (e,e)-piperoyl-coa + amp + diphosphate