Cysteine DioxygenaseDioxygenasesAmino AcidsCysteineLiverOxygenasesTaurineAmino Acids, SulfurSulfinic Acids4-Hydroxyphenylpyruvate DioxygenaseSulfhydryl CompoundsCatechol 2,3-DioxygenaseProtocatechuate-3,4-DioxygenaseFerrous CompoundsCatechol 1,2-DioxygenaseCarboxy-LyasesTryptophan OxygenaseCrystallography, X-RayHomogentisate 1,2-DioxygenaseCatalysis