(5Z,8Z,11Z,14Z)-eicosatetraenoate + ATP + CoA = (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA + AMP + diphosphate
(5z,8z,11z,14z)-eicosatetraenoate + atp + coa = (5z,8z,11z,14z)-eicosatetraenoyl-coa + amp + diphosphate