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Literature summary for 2.8.1.2 extracted from

  • Magahara, N.; Okazaki, T.; Nishino, T.
    Cytosolic mercaptopyruvate sulfurtransferase is evolutionarily related to mitochondrial rhodanese. Striking similarity in active site amino acid sequence and the increase in the mercaptopyruvate sulfurtransferase activity of rhodanese by site-directed mutagenesis (1995), J. Biol. Chem., 270, 16230-16235.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
73
-
3-Mercaptopyruvate pH 9.6 Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Rattus norvegicus 5829
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
34000
-
1 * 34000, enzyme exists as a monomer and homodimer, SDS-PAGE, gel filtration Rattus norvegicus
34000
-
2 * 34000, enzyme exists as a monomer and homodimer, SDS-PAGE, gel filtration Rattus norvegicus
34500
-
two peaks with molecular masses of 34500 Da and 53500 Da, enzyme exists as a monomer and homodimer, gel filtration Rattus norvegicus
53000
-
two peaks with molecular masses of 34500 Da and 53500 Da, enzyme exists as a monomer and homodimer, gel filtration Rattus norvegicus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3-mercaptopyruvate + cyanide Rattus norvegicus
-
pyruvate + thiocyanate
-
?
3-mercaptopyruvate + cyanide Rattus norvegicus Wistar
-
pyruvate + thiocyanate
-
?

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
Wistar
-
Rattus norvegicus Wistar
-
Wistar
-

Purification (Commentary)

Purification (Comment) Organism
homogeneity Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
liver predominantly in pericentral hepatocytes Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3793
-
-
Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3-mercaptopyruvate + cyanide
-
Rattus norvegicus pyruvate + thiocyanate
-
?
3-mercaptopyruvate + cyanide
-
Rattus norvegicus Wistar pyruvate + thiocyanate
-
?

Subunits

Subunits Comment Organism
dimer 2 * 34000, enzyme exists as a monomer and homodimer, SDS-PAGE, gel filtration Rattus norvegicus
monomer 1 * 34000, enzyme exists as a monomer and homodimer, SDS-PAGE, gel filtration Rattus norvegicus

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
25
-
3-Mercaptopyruvate pH 9.55 Rattus norvegicus