a short-chain (3S)-3-hydroxyacyl-CoA = a short-chain (2E)-enoyl-CoA + H2O
a short-chain (3s)-3-hydroxyacyl-coa = a short-chain (2e)-enoyl-coa + h2o
"3-hydroxybutyryl-CoA dehydratase"
"3-hydroxybutyryl-coa dehydratase"