(3R)-hydroxybutanoate pentamer + H2O = (3R)-hydroxybutanoate tetramer + (R)-3-hydroxybutanoate + H(+)
(3r)-hydroxybutanoate pentamer + h2o = (3r)-hydroxybutanoate tetramer + (r)-3-hydroxybutanoate + h(+)
(3R)-hydroxybutanoate pentamer + H2O = (3R)-hydroxybutanoate tetramer + (R)-3-hydroxybutanoate + H(+)
(3r)-hydroxybutanoate pentamer + h2o = (3r)-hydroxybutanoate tetramer + (r)-3-hydroxybutanoate + h(+)