Catalyzes the stereospecific hydrolysis of the cyclic amide bond of D-hydantoin derivatives. Binds 2 Zn(2+) ions per subunit. Homodimer and homotetramer. Carboxylation allows a single lysine to coordinate two zinc ions. Belongs to the metallo-dependent hydrolases superfamily. Hydantoinase/dihydropyrimidinase family.