Cysteine DioxygenaseDioxygenasesCysteineOxygenasesTaurineAmino Acids, SulfurIronSulfinic Acids4-Hydroxyphenylpyruvate DioxygenaseFerrous CompoundsSulfhydryl CompoundsCatechol 2,3-DioxygenaseProtocatechuate-3,4-DioxygenaseIron Chelating AgentsCarboxy-LyasesCatechol 1,2-DioxygenaseLiverTryptophan OxygenaseCrystallography, X-Ray