Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 1.8.2.3 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
Search for more literature for 1.8.2.3

Inhibitors

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

KM Value [mM]

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

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
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
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
61800
-
 calculated from amino acid sequence Allochromatium vinosum

Organism

Organism UniProt Comment Textmining
Allochromatium vinosum
-
-
-

Substrates and Products (Substrate)

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

Subunits

Subunits Comment Organism
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

Synonyms Comment Organism
sulfide-cytochrome c reductase
-
 Allochromatium vinosum

Temperature Stability [°C]

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

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.3
-
-
 Allochromatium vinosum