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Information on EC 1.9.98.1 - iron-cytochrome-c reductase for references in articles please use BRENDA:EC1.9.98.1
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EC Tree
The expected taxonomic range for this enzyme is: Acidithiobacillus ferrooxidans
Synonyms
iron-cytochrome c reductase,
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iron-cytochrome c reductase
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reductase, iron-cytochrome c
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ferrocytochrome c + Fe3+ = ferricytochrome c + Fe2+
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ferrocytochrome-c:Fe3+ oxidoreductase
An iron protein.
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ferrocytochrome c + Fe3+
ferricytochrome c + Fe2+
ferrocytochrome c + Fe3+
ferricytochrome c + Fe2+
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?
ferrocytochrome c + Fe3+
ferricytochrome c + Fe2+
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close association of enzyme with respiration chain
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ferrocytochrome c + Fe3+
ferricytochrome c + Fe2+
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close association of enzyme with respiration chain
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cytochrome
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most highly purified fraction of the enzyme contains cytochrome c and apparently nonfunctional cytochrome b
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2-oxo-3-phenylpropanoate
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100% inhibition at 0.08 mM
Cu2+
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100% inhibition at 0.1 mM
cysteine
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100% inhibition at 0.2 mM
Fe3+
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48% inhibition at 1 mM
p-hydroxymercuribenzoate
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100% inhibition at 0.5 mM, inhibition can be reversed by reduced glutathione or cysteine
reduced glutathione
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67% inhibition at 1 mM
additional information
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not inhibitory: atebrin, amytal, antimycin A
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5 - 6.7
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pH 5: about 50% of maximum activity, pH 6.7: about 25% of maximum activity
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brenda
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0.5
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several weeks, no loss of activity
22
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8 h, no loss of activity
40
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20 min, 10% loss of activity
60
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5 min, 46% loss of activity
90
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1 min, 74% loss of activity
100
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1 min, complete loss of activity
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0-5°C, several weeks without loss of activity
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Yates, M.G.; Nason, A.
Electron transport systems of the chemoautotroph Ferrobacillus ferrooxidans II. Purification and properties of a heat-labile iron-cytochrome c reductase
J. Biol. Chem.
241
4872-4880
1966
Acidithiobacillus ferrooxidans
brenda
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