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1.8.1.19: sulfide dehydrogenase

This is an abbreviated version!
For detailed information about sulfide dehydrogenase, go to the full flat file.

Wordmap for 1.8.1.19

Word Map on EC 1.8.1.19 Wordmap for 1.8.1.19

Reaction

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hydrogen sulfide
+
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(sulfide)n
+
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NADP+
=
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(sulfide)n+1
+
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NADPH
+
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H+

Synonyms

PF1328, SuDH, SuDH I

ECTree

     1 Oxidoreductases
         1.8 Acting on a sulfur group of donors
             1.8.1 With NAD+ or NADP+ as acceptor
                EC 1.8.1.191.8.1.19 sulfide dehydrogenase

Substrates Products

Substrates Products on EC 1.8.1.19 - sulfide dehydrogenase

for references in articles please use BRENDA:EC1.8.1.19

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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
(sulfide)n+1 + NADPH + H+
hydrogen sulfide + (sulfide)n + NADP+
show the reaction diagram
NADH is not utilized as an electron donor for polysulfide reduction. Polysulfide reduction is catalyzed with reduced ferredoxin as an electron donor. However, the rate of sulfide production, at least in vitro, is much lower than when the enzyme uses NADPH to provide reductant for polysulfide reduction
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-
?
colloidal sulfur + NADPH + H+
?
show the reaction diagram
the relative activity is about 40% compared to the activity with polysulfide
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-
?
additional information
?
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