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Literature summary extracted from

  • Takahashi, S.; Sakata, T.; Tamura, G.
    Ferredoxin-linked sulfite reductase from turnip roots (1996), Biosci. Biotechnol. Biochem., 60, 142-144.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.8.7.1 cyanide
-
 Brassica rapa

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.8.7.1 0.076
-
 reduced ferredoxin
-
 Brassica rapa
1.8.7.1 0.077
-
 sulfite
-
 Brassica rapa

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.8.7.1 65000
-
 1 * 65000, SDS-PAGE Brassica rapa
1.8.7.1 68000
-
 in presence of 200 mM NaCl, gel filtration Brassica rapa

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.8.7.1 sulfite + reduced ferredoxin Spinacia oleracea
-
 hydrogen sulfide + oxidized ferredoxin + H2O
-
 ?
1.8.7.1 sulfite + reduced ferredoxin Brassica rapa
-
 hydrogen sulfide + oxidized ferredoxin + H2O
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.8.7.1 Brassica rapa
-
 fresh roots
-
1.8.7.1 Spinacia oleracea
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.8.7.1
-
 Brassica rapa

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.8.7.1 root
-
 Brassica rapa
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.8.7.1 103
-
-
 Brassica rapa

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.8.7.1 hydrogen sulfide + oxidized ferredoxin + H2O
-
 Brassica rapa sulfite + reduced ferredoxin + H+
-
 r
1.8.7.1 sulfite + reduced ferredoxin
-
 Spinacia oleracea hydrogen sulfide + oxidized ferredoxin + H2O
-
 ?
1.8.7.1 sulfite + reduced ferredoxin
-
 Brassica rapa hydrogen sulfide + oxidized ferredoxin + H2O
-
 ?

Subunits

EC Number Subunits Comment Organism
1.8.7.1 monomer 1 * 65000, SDS-PAGE Brassica rapa

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.8.7.1 30
-
 enzyme assay Brassica rapa

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.8.7.1 7.7
-
 potassium phosphate buffer Brassica rapa

Cofactor

EC Number Cofactor Comment Organism Structure
1.8.7.1 siroheme
-
 Spinacia oleracea
1.8.7.1 siroheme
-
 Brassica rapa