ID 6.2.1.27 DE 4-hydroxybenzoate--CoA ligase. AN 4-hydroxybenzoate-CoA synthetase. AN 4-hydroxybenzoyl-CoA ligase. CA ATP + 4-hydroxybenzoate + CoA = AMP + diphosphate + 4-hydroxybenzoyl-CoA. DR Q9AJS8, 3HBCL_THAAR; Q53005, 4HBCL_RHOPA; //