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Sulfide-quinone reductase

UniProtKB accession:  Q7ZAG8
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Go to UniProtKB:  Q7ZAG8
UniProtKB description:  Catalyzes the oxidation of sulfides, such as hydrogen sulfide, with the help of a quinone. Has the highest activity with caldariella quinone and decylubiquinone, and lower activity with naphtoquinones. Consecutive reaction cycles lead to the accumulation of a polysulfide product on the active site Cys residues; these products are released when they exceed a critical length, typically as cyclooctasulfur.
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