a 4-saturated-(3S)-3-hydroxyacyl-CoA => a (3E)-enoyl-CoA + H2O
a 4-saturated-(3s)-3-hydroxyacyl-coa => a (3e)-enoyl-coa + h2o
a 4-saturated-(3S)-3-hydroxyacyl-CoA => a (3E)-enoyl-CoA + H2O
a 4-saturated-(3s)-3-hydroxyacyl-coa => a (3e)-enoyl-coa + h2o