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Literature summary extracted from

  • Fukumori, Y.; Yamanaka, T.
    Flavocytochrome c of Chromatium vinosum. Some enzymatic properties and subunit structure (1979), J. Biochem., 85, 1405-1414.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.8.2.3 cyanide strong inhibition at 0.67 mM Allochromatium vinosum
1.8.2.3 additional information CO do not affect the catalytic activity of the cytochrome-552 Allochromatium vinosum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.8.2.3 0.0125
-
Sulfide in 10 mM Tris-HCl buffer, pH 8.5, at 20°C Allochromatium vinosum

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.8.2.3 21000
-
1 * 46000 + 1 * 21000, cytochrome c-552 is split by 6 M urea into cytochrome and flavoprotein moieties with molecular weights of 21000 and 46000 Da, respectively Allochromatium vinosum
1.8.2.3 46000
-
1 * 46000 + 1 * 21000, cytochrome c-552 is split by 6 M urea into cytochrome and flavoprotein moieties with molecular weights of 21000 and 46000 Da, respectively Allochromatium vinosum
1.8.2.3 61800
-
calculated from amino acid sequence Allochromatium vinosum

Organism

EC Number Organism UniProt Comment Textmining
1.8.2.3 Allochromatium vinosum
-
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.8.2.3 additional information cytochrome c554 from Pseudomonas aeruginosa and cytochrome c555 from Chlorobium limicola f. thiosulfatophilum are not reduced by the enzyme Allochromatium vinosum ?
-
?
1.8.2.3 sulfide + oxidized horse cytochrome c
-
Allochromatium vinosum sulfur + reduced horse cytochrome c + H+
-
?
1.8.2.3 sulfide + oxidized Nitrosomonas europaea cytochrome c552
-
Allochromatium vinosum sulfur + reduced Nitrosomonas europaea cytochrome c552 + H+
-
?
1.8.2.3 sulfide + oxidized Rhodospirillum rubrum cytochrome c2
-
Allochromatium vinosum sulfur + reduced Rhodospirillum rubrum cytochrome c2
-
?
1.8.2.3 sulfur + reduced benzyl viologen + H+
-
Allochromatium vinosum sulfide + oxidized benzyl viologen
-
?

Subunits

EC Number Subunits Comment Organism
1.8.2.3 heterodimer 1 * 46000 + 1 * 21000, cytochrome c-552 is split by 6 M urea into cytochrome and flavoprotein moieties with molecular weights of 21000 and 46000 Da, respectively Allochromatium vinosum

Synonyms

EC Number Synonyms Comment Organism
1.8.2.3 sulfide-cytochrome c reductase
-
Allochromatium vinosum

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
1.8.2.3 80
-
when the cytochrome is heated at 80°C for 2 min, its catalytic activity greatly decreases Allochromatium vinosum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.8.2.3 8.3
-
-
Allochromatium vinosum