ID   1.13.11.18
DE   Sulfur dioxygenase.
AN   Sulfur oxygenase.
CA   Sulfur + O(2) + H(2)O = sulfite + 2 H(+).
CF   Iron.
CC   -!- Glutathione (GSH) plays a catalytic role in elemental sulfur
CC       activation, but is not consumed during the enzymic reaction.
CC   -!- GSH and elemental sulfur react non-enzymically to yield
CC       S-sulfanylglutathione and it is only in this form that the sulfur can
CC       be oxidized to yield sulfite.
CC   -!- The sulfite can be further converted into sulfate, thiosulfate or
CC       S-sulfoglutathione (GSSO(3)(-)) non-enzymically.
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