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Literature summary for 1.8.3.1 extracted from

  • Shibuya, A.; Horie, S.
    Studies on the composition of the mitochondrial sulfite oxidase system (1980), J. Biochem., 87, 1773-1784.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
cytochrome c at lower oxygen concentrations Mus musculus
cytochrome c at lower oxygen concentrations Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
CN- profound at low O2 concentration, not at high O2 concentration Mus musculus
CN- profound at low O2 concentration, not at high O2 concentration Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.002
-
cytochrome c
-
Rattus norvegicus
0.015
-
O2
-
Mus musculus
0.015
-
O2
-
Rattus norvegicus
0.39
-
sulfite
-
Mus musculus

Organism

Organism UniProt Comment Textmining
Mus musculus
-
-
-
Rattus norvegicus
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
sulfite + cytochrome c
-
Rattus norvegicus sulfate + reduced cytochrome c
-
?
sulfite + H2O + A A: electron acceptor, i.e. O2, cytochrome c, K3[Fe(CN)6], 2,6-dichloroindophenol, methylene blue, highly specific for sulfite as electron donor Mus musculus SO42- + AH2
-
?
sulfite + H2O + A A: electron acceptor, i.e. O2, cytochrome c, K3[Fe(CN)6], 2,6-dichloroindophenol, methylene blue, highly specific for sulfite as electron donor Rattus norvegicus SO42- + AH2
-
?
sulfite + O2 + H2O
-
Mus musculus sulfate + H2O2
-
r
sulfite + O2 + H2O
-
Rattus norvegicus sulfate + H2O2
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Mus musculus
7.5
-
-
Rattus norvegicus