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Information on EC 1.13.11.18 - persulfide dioxygenase

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IUBMB Comments
An iron protein. Perthiols, formed spontaneously by interactions between thiols and elemental sulfur or sulfide, are the only acceptable substrate to the enzyme. The sulfite that is formed by the enzyme can be further converted into sulfate, thiosulfate or S-sulfoglutathione (GSSO3-) non-enzymically .
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Word Map
The expected taxonomic range for this enzyme is: Archaea, Bacteria, Eukaryota
Reaction Schemes
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Synonyms
AFE_0269, BAE27_01805, BpPRF, cPDO-PT, CstB, ETHE1, ETHE1-like sulfur dioxygenase, Fe(II)-containing persulfide dioxygenase, PDO, PRF, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
S-sulfanylglutathione + O2 + H2O = glutathione + sulfite + 2 H+
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overall reaction
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S-sulfanylglutathione + O2 = S-sulfinatoglutathione + H+
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(1a)
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S-sulfinatoglutathione + H2O = glutathione + sulfite + H+
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(1b), spontaneous
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