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membrane-bound sulfide:quinone oxidoreductases
-
sulfide quinone oxidoreductase
sulfide quinone reductase
-
-
sulfide-quinone oxidoreductase
sulfide-quinone reductase
sulfide: quinone oxidoreductase
sulfide:decylubiquinone oxidoreductase
sulfide:quinone oxidoreductase
sulfidequinone reductase-like protein
type III sulfide:quinone oxidoreductase
type VI sulfide:quinone oxidoreductase
-
CmSQR

-
-
HMT2

-
III SQR

-
-
SQR

-
-
Sqrdl

-
-
Suden_1879

-
isoform
Suden_2082

-
isoform
Suden_619

-
isoform
sulfide quinone oxidoreductase

-
-
sulfide quinone oxidoreductase
-
sulfide-quinone oxidoreductase

-
sulfide-quinone oxidoreductase
-
-
sulfide-quinone oxidoreductase
-
-
sulfide-quinone reductase

-
sulfide-quinone reductase
-
-
sulfide-quinone reductase
-
-
sulfide-quinone reductase
-
sulfide-quinone reductase
-
-
sulfide-quinone reductase
-
-
sulfide-quinone reductase
-
-
sulfide-quinone reductase
-
-
-
sulfide: quinone oxidoreductase

-
-
sulfide: quinone oxidoreductase
-
-
sulfide: quinone oxidoreductase
-
sulfide:decylubiquinone oxidoreductase

-
-
sulfide:decylubiquinone oxidoreductase
-
-
-
sulfide:quinone oxidoreductase

-
-
sulfide:quinone oxidoreductase
-
-
sulfide:quinone oxidoreductase
-
sulfide:quinone oxidoreductase
-
-
-
sulfide:quinone oxidoreductase
-
-
sulfide:quinone oxidoreductase
-
-
sulfide:quinone oxidoreductase
-
sulfide:quinone oxidoreductase
-
-
sulfide:quinone oxidoreductase
-
-
sulfide:quinone oxidoreductase
-
-
-
sulfide:quinone oxidoreductase
-
-
sulfide:quinone oxidoreductase
-
sulfide:quinone oxidoreductase
-
-
sulfide:quinone oxidoreductase
-
-
sulfide:quinone oxidoreductase
-
-
sulfide:quinone oxidoreductase
-
-
-
sulfide:quinone oxidoreductase
-
-
sulfide:quinone oxidoreductase
-
sulfide:quinone oxidoreductase
-
-
sulfide:quinone oxidoreductase
-
sulfide:quinone oxidoreductase
-
sulfidequinone reductase-like protein

-
-
sulfidequinone reductase-like protein
-
-
type III sulfide:quinone oxidoreductase

-
-
type III sulfide:quinone oxidoreductase
-
-
-
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2 sulfide + ubiquinone-1
hydrogen disulfide + ubiquinol-1
-
-
-
?
HS- + quinone
polysulfide + quinol
-
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
n H2S + n ubiquinone
polysulfide + n ubiquinol
-
-
-
?
n Na2S + n decylubiquinone
polysulfide + n decylubiquinol + 2 Na+
-
-
-
-
?
n Na2S + n ubiquinone
polysulfide + n ubiquinol
-
-
-
?
n S2- + n decylubiquinone
polysulfide + n decylubiquinol
Na2S + duroquinone
polysulfide + duroquinol + 2 Na+
-
-
-
?
sulfide + 2,3-dimethyl-1,4-naphthoquinone
sulfur + 2,3-dimethyl-1,4-naphthoquinol
-
-
-
-
?
sulfide + 2-methyl-3-methylthio-1,4-naphthoquinone
sulfur + 2-methyl-3-methylthio-1,4-naphthoquinol
-
lowest activity
-
-
?
sulfide + caldariellaquinone
sulfur + caldariellaquinol
-
-
-
-
?
sulfide + coenzyme Q
sulfane sulfur + reduced coenzyme Q
-
-
-
?
sulfide + coenzyme Q
sulfur + reduced coenzyme Q
-
-
-
?
sulfide + coenzyme Q1
sulfur + reduced coenzyme Q1
-
-
-
?
sulfide + coenzyme Q10
sulfur + reduced coenzyme Q10
-
-
-
?
sulfide + cyanide + coenzyme Q
thiocyanate + reduced coenzyme Q
-
-
-
?
sulfide + cyanide + ubiquinone-1
thiocyanate + ubiquinol-1
-
-
-
?
sulfide + cysteine + coenzyme Q1
cysteine persulfide + reduced coenzyme Q1
-
-
-
-
?
sulfide + decylubiquinone
polysulfide + decylubiquinol
sulfide + decylubiquinone
sulfur + decylubiquinol
sulfide + decylubiquinone + cyanide
sulfur + decylubiquinol + thiocyanate
-
-
-
-
?
sulfide + decylubiquinone + Escherichia coli thioredoxin
sulfur + decylubiquinol + ?
-
with Escherichia coli thioredoxin, SQR exhibits one-tenth of the cyanide-dependent activity
-
-
?
sulfide + decylubiquinone + sulfite
sulfur + decylubiquinol + ?
-
with sulfite, SQR exhibits one-tenth of the cyanide-dependent activity
-
-
?
sulfide + duroquinone
sulfur + duroquinol
sulfide + duroquinone 23
sulfur + duroquinol 23
-
% compared to the activity with decylubiquinone
-
-
?
sulfide + glutathione
sulfur + reduced glutathione
-
-
-
?
sulfide + homocysteine + coenzyme Q1
homocysteine persulfide + reduced coenzyme Q1
-
-
-
-
?
sulfide + menadione
polysulfide + menadiol
-
25% compared to the activity with decylubiquinone
-
-
?
sulfide + menadione
sulfur + menadiol
sulfide + plastoquinone-1
sulfur + plastoquinol-1
sulfide + plastoquinone-2
sulfur + plastoquinol-2
-
highest activity
-
-
?
sulfide + quinone
elemental sulfur + quinol
-
-
-
-
?
sulfide + quinone
sulfur + quinol
sulfide + reduced glutathione + coenzyme Q1
glutathione persulfide + reduced coenzyme Q1
-
-
-
-
?
sulfide + sulfide + coenzyme Q
hydrogen disulfide + reduced coenzyme Q
-
-
-
?
sulfide + sulfite + coenzyme Q
thiosulfate + reduced coenzyme Q
-
-
-
?
sulfide + sulfite + ubiquinone-1
thiosulfate + ubiquinol-1
-
-
-
?
sulfide + ubiquinone
? + ubiquinol
sulfide + ubiquinone-1
sulfur + ubiquinol-1
sulfide + ubiquinone-2
sulfur + ubiquinol-2
sulfide + ubiquinone-4
sulfur + ubiquinol-4
-
-
-
?
sulfide + ubiquinone-9
sulfur + ubiquinol-9
-
-
-
?
additional information
?
-
n H2S + n quinone

polysulfide + n quinol
-
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
?
n S2- + n decylubiquinone

polysulfide + n decylubiquinol
-
Na2S
-
-
?
n S2- + n decylubiquinone
polysulfide + n decylubiquinol
-
Na2S
-
-
?
sulfide + decylubiquinone

polysulfide + decylubiquinol
-
-
-
-
?
sulfide + decylubiquinone
polysulfide + decylubiquinol
-
-
-
-
?
sulfide + decylubiquinone
polysulfide + decylubiquinol
-
-
-
-
?
sulfide + decylubiquinone
polysulfide + decylubiquinol
-
-
-
-
?
sulfide + decylubiquinone

sulfur + decylubiquinol
-
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
-
?
sulfide + decylubiquinone
sulfur + decylubiquinol
-
-
-
-
?
sulfide + duroquinone

sulfur + duroquinol
-
-
-
-
?
sulfide + duroquinone
sulfur + duroquinol
-
23% compared to the activity with decylubiquinone
-
-
?
sulfide + duroquinone
sulfur + duroquinol
-
23% compared to the activity with decylubiquinone
-
-
?
sulfide + duroquinone
sulfur + duroquinol
-
-
-
-
?
sulfide + menadione

sulfur + menadiol
-
-
-
-
?
sulfide + menadione
sulfur + menadiol
-
25% compared to the activity with decylubiquinone
-
-
?
sulfide + menadione
sulfur + menadiol
-
25% compared to the activity with decylubiquinone
-
-
?
sulfide + menadione
sulfur + menadiol
-
-
-
-
?
sulfide + plastoquinone-1

sulfur + plastoquinol-1
-
-
-
?
sulfide + plastoquinone-1
sulfur + plastoquinol-1
-
-
-
-
?
sulfide + plastoquinone-1
sulfur + plastoquinol-1
-
-
-
-
?
sulfide + quinone

sulfur + quinol
-
-
-
-
?
sulfide + quinone
sulfur + quinol
-
-
-
?
sulfide + quinone
sulfur + quinol
-
-
-
?
sulfide + quinone
sulfur + quinol
-
-
-
?
sulfide + ubiquinone

? + ubiquinol
-
-
-
-
?
sulfide + ubiquinone
? + ubiquinol
-
-
-
-
?
sulfide + ubiquinone
? + ubiquinol
-
-
-
-
?
sulfide + ubiquinone
? + ubiquinol
-
-
-
?
sulfide + ubiquinone
? + ubiquinol
-
-
-
-
?
sulfide + ubiquinone-1

sulfur + ubiquinol-1
-
-
-
?
sulfide + ubiquinone-1
sulfur + ubiquinol-1
-
15% compared to the activity with decylubiquinone
-
-
?
sulfide + ubiquinone-1
sulfur + ubiquinol-1
-
15% compared to the activity with decylubiquinone
-
-
?
sulfide + ubiquinone-1
sulfur + ubiquinol-1
-
-
-
-
?
sulfide + ubiquinone-1
sulfur + ubiquinol-1
-
-
-
?
sulfide + ubiquinone-2

sulfur + ubiquinol-2
-
-
-
-
?
sulfide + ubiquinone-2
sulfur + ubiquinol-2
-
-
-
-
?
sulfide + ubiquinone-2
sulfur + ubiquinol-2
-
-
-
-
?
additional information

?
-
the enzymatic reaction catalyzed by sulfide:quinone oxidoreductase includes the oxidation of sulfide compounds H2S, HS-, and S2- to soluble polysulfide chains or to elemental sulfur in the form of octasulfur rings
-
-
?
additional information
?
-
-
the enzymatic reaction catalyzed by sulfide:quinone oxidoreductase includes the oxidation of sulfide compounds H2S, HS-, and S2- to soluble polysulfide chains or to elemental sulfur in the form of octasulfur rings
-
-
?
additional information
?
-
-
quinone binding site structure analysis and binding mechanism by CmSQR, overview
-
-
-
additional information
?
-
-
quinone binding site structure analysis and binding mechanism by CmSQR, overview
-
-
-
additional information
?
-
-
no activity with vitamin K1
-
-
?
additional information
?
-
cyanide, sulfite, or sulfide can act as the sulfane sulfur acceptor in reactions that exhibit pH optima at 8.5, 7.5, or 7.0, respectively, and produce thiocyanate, thiosulfate, or a putative sulfur analogue of hydrogen peroxide, i.e. H2S2, respectively. Sulfite is the physiological acceptor of the sulfur and the reaction is the predominant source of the thiosulfate produced during H2S oxidation by mammalian tissues
-
-
?
additional information
?
-
-
cyanide, sulfite, or sulfide can act as the sulfane sulfur acceptor in reactions that exhibit pH optima at 8.5, 7.5, or 7.0, respectively, and produce thiocyanate, thiosulfate, or a putative sulfur analogue of hydrogen peroxide, i.e. H2S2, respectively. Sulfite is the physiological acceptor of the sulfur and the reaction is the predominant source of the thiosulfate produced during H2S oxidation by mammalian tissues
-
-
?
additional information
?
-
SQR oxidizes sulfide to polysulfide, which spontaneously reacts with glutathione (GSH) to produce glutathione persulfide (GSSH), PDO oxidizes GSSH to sulfite, which spontaneously reacts with polysulfide to produce thiosulfate
-
-
-
additional information
?
-
sulfide-dependent duroquinone-reducing activity of purified wild-type and single cysteine mutant TrSqrF variants, overview
-
-
-
additional information
?
-
-
sulfide-dependent duroquinone-reducing activity of purified wild-type and single cysteine mutant TrSqrF variants, overview
-
-
-
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HS- + quinone
polysulfide + quinol
-
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
n H2S + n ubiquinone
polysulfide + n ubiquinol
-
-
-
?
n Na2S + n ubiquinone
polysulfide + n ubiquinol
-
-
-
?
sulfide + coenzyme Q
sulfane sulfur + reduced coenzyme Q
-
-
-
?
sulfide + glutathione
sulfur + reduced glutathione
-
-
-
?
sulfide + quinone
elemental sulfur + quinol
-
-
-
-
?
sulfide + ubiquinone-1
sulfur + ubiquinol-1
-
-
-
?
additional information
?
-
n H2S + n quinone

polysulfide + n quinol
-
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
?
n H2S + n quinone
polysulfide + n quinol
-
-
-
?
additional information

?
-
cyanide, sulfite, or sulfide can act as the sulfane sulfur acceptor in reactions that exhibit pH optima at 8.5, 7.5, or 7.0, respectively, and produce thiocyanate, thiosulfate, or a putative sulfur analogue of hydrogen peroxide, i.e. H2S2, respectively. Sulfite is the physiological acceptor of the sulfur and the reaction is the predominant source of the thiosulfate produced during H2S oxidation by mammalian tissues
-
-
?
additional information
?
-
-
cyanide, sulfite, or sulfide can act as the sulfane sulfur acceptor in reactions that exhibit pH optima at 8.5, 7.5, or 7.0, respectively, and produce thiocyanate, thiosulfate, or a putative sulfur analogue of hydrogen peroxide, i.e. H2S2, respectively. Sulfite is the physiological acceptor of the sulfur and the reaction is the predominant source of the thiosulfate produced during H2S oxidation by mammalian tissues
-
-
?
additional information
?
-
SQR oxidizes sulfide to polysulfide, which spontaneously reacts with glutathione (GSH) to produce glutathione persulfide (GSSH), PDO oxidizes GSSH to sulfite, which spontaneously reacts with polysulfide to produce thiosulfate
-
-
-
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