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Literature summary for 1.8.3.1 extracted from

  • Haensch, R.; Lang, C.; Riebeseel, E.; Lindigkeit, R.; Gessler, A.; Rennenberg, H.; Mendel, R.R.
    Plant sulfite oxidase as novel producer of H2O2: combination of enzyme catalysis with a subsequent non-enzymatic reaction step (2006), J. Biol. Chem., 281, 6884-6888.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli strain TP1000 Arabidopsis thaliana

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0226
-
sulfite using ferricyanide as electron acceptor Arabidopsis thaliana

Localization

Localization Comment Organism GeneOntology No. Textmining
peroxisome
-
Arabidopsis thaliana 5777
-

Metals/Ions

Metals/Ions Comment Organism Structure
Molybdenum
-
Arabidopsis thaliana

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana
-
-
-

Purification (Commentary)

Purification (Comment) Organism
nickelnitrilotriacetic acid superflow matrix followed by anion exchange chromatography on a SourceQ15 column Arabidopsis thaliana

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Arabidopsis thaliana
-
root
-
Arabidopsis thaliana
-

Storage Stability

Storage Stability Organism
4°C, 250-300 mM NaCl, several weeks, stable Arabidopsis thaliana

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information the enzyme does not react with cytochrome c Arabidopsis thaliana ?
-
?
sulfite + ferricyanide + H2O
-
Arabidopsis thaliana sulfate + ferrocyanide
-
?
sulfite + O2 + H2O
-
Arabidopsis thaliana sulfate + hydrogen peroxide
-
?

Synonyms

Synonyms Comment Organism
SO
-
Arabidopsis thaliana
sulfite:oxygen oxidoreductase
-
Arabidopsis thaliana

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
4500
-
sulfite
-
Arabidopsis thaliana

Cofactor

Cofactor Comment Organism Structure
additional information the enzyme is lacking the heme domain that is known from vertebrate sulfite oxidase Arabidopsis thaliana