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 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 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 | UniProt | Comment | Textmining |
---|---|---|---|
Allochromatium vinosum | - |
- |
- |
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 | 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 | Comment | Organism |
---|---|---|
sulfide-cytochrome c reductase | - |
Allochromatium vinosum |
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 Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8.3 | - |
- |
Allochromatium vinosum |