(R)-3-hydroxybutanoate + CoA + H(+) => (3R)-3-hydroxybutanoyl-CoA + H2O
(r)-3-hydroxybutanoate + coa + h(+) => (3r)-3-hydroxybutanoyl-coa + h2o
(R)-3-hydroxybutanoate + CoA + H(+) => (3R)-3-hydroxybutanoyl-CoA + H2O
(r)-3-hydroxybutanoate + coa + h(+) => (3r)-3-hydroxybutanoyl-coa + h2o