Information on EC 1.12.98.B1 - hydrogen:sulfur oxidoreductase

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The expected taxonomic range for this enzyme is: Pyrococcus furiosus

EC NUMBER
COMMENTARY hide
1.12.98.B1
preliminary BRENDA-supplied EC number
RECOMMENDED NAME
GeneOntology No.
hydrogen:sulfur oxidoreductase
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REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
H2 + sulfur = H2S
show the reaction diagram
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PATHWAY
BRENDA Link
KEGG Link
MetaCyc Link
sulfate reduction
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SYSTEMATIC NAME
IUBMB Comments
H2:sulfur oxidoreductase
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ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
physiological function
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the enzyme has a role in sulfur metabolism
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
H2 + sulfur
H2S
show the reaction diagram
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?
additional information
?
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catalytic model system of the WOR4 enzyme, reduction of S(8) to H2S via W(VI)O(S2) complex with the aromatic dithiolene ligand
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METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Calcium
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tungsten-containing enzyme, contains approximately one tungsten three iron, three or four acid-labile sulfide, and one cacium atom per subunit
Iron
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tungsten-containing enzyme, contains approximately one tungsten three iron, three or four acid-labile sulfide, and one cacium atom per subunit. Presence of an unusual iron-sulfur chromophore
Tungsten
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tungsten-containing enzyme, contains approximately one tungsten three iron, three or four acid-labile sulfide, and one cacium atom per subunit
SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
additional information
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the specific tungsten content is 14.2 nmol/mg, 119fold purification
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
69000
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2 * 69000, SDS-PAGE
69363
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2 * 69363, calculated from sequence
129000
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gel filtration
SUBUNITS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
homodimer
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2 * 69000, SDS-PAGE; 2 * 69363, calculated from sequence
Purification/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
EXPRESSION
ORGANISM
UNIPROT
LITERATURE
moderately expressed and slightly upregulated in presence of sulfur
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