1.8.1.19: sulfide dehydrogenase

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

Word Map on EC 1.8.1.19

1.8.1.19

sulfur

thiosulfate

phototrophic

flavocytochrome

sulfide-quinone

sulfur-oxidizing

furiosus

chromatium

wolinella

vinosum

succinogenes

sulfide-dependent

Reaction

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

1.8.1.19 sulfide dehydrogenase

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Results	in table
257	AA Sequence
6	Cofactor
2	Expression
1	General Information
2	KM Value [mM]
1	Localization
1	Metals/Ions
5	Molecular Weight [Da]
1	Natural Substrates/ Products (Substrates)
3	Organism
1	Purification (Commentary)
1	Reaction
3	Reference
1	Specific Activity [micromol/min/mg]
3	Substrates and Products (Substrate)
2	Subunits
3	Synonyms
1	Systematic Name
2	Temperature Stability [°C]

Substrates Products

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Substrates Products on EC 1.8.1.19 - sulfide dehydrogenase

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(sulfide)n+1 + NADPH + H+

hydrogen sulfide + (sulfide)n + NADP+

Pyrococcus furiosus

Q8U195; Q8U194

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

722483

colloidal sulfur + NADPH + H+

Pyrococcus furiosus

Q8U195; Q8U194

the relative activity is about 40% compared to the activity with polysulfide

722483

additional information

2 entries