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Literature summary for 1.10.3.11 extracted from

  • Umbach, A.L.; Gonzalez-Meler, M.A.; Sweet, C.R.; Siedow, J.N.
    Activation of the plant mitochondrial alternative oxidase: insights from site-directed mutagenesis (2002), Biochim. Biophys. Acta, 1554, 118-128.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
pyruvate the wild type enzyme activity is significantly stimulated (122%) by 5 mM pyruvate Arabidopsis thaliana

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli SASX41B cells Arabidopsis thaliana

Protein Variants

Protein Variants Comment Organism
C78A the mutant shows significant (418%) stimulation by 5 mM succinate and little response to 5 mM pyruvate Arabidopsis thaliana
C78D the mutant is significantly stimulated (28%) by 5 mM succinate, pyruvate has no significant effect on the mutant enzyme activity Arabidopsis thaliana
C78E the mutant is significantly stimulated (37%) by 5 mM succinate Arabidopsis thaliana
C78K the mutant is insensitive to pyruvate or succinate but more active than the wild type without pyruvate Arabidopsis thaliana
C78L inactive Arabidopsis thaliana
C78Q inactive Arabidopsis thaliana
C78R the mutant is insensitive to pyruvate or succinate but more active than the wild type without pyruvate Arabidopsis thaliana
C78S the mutant is significantly (489%) stimulated by 5 mM succinate Arabidopsis thaliana

Inhibitors

Inhibitors Comment Organism Structure
Salicylhydroxamic acid
-
Arabidopsis thaliana

Localization

Localization Comment Organism GeneOntology No. Textmining
mitochondrion
-
Arabidopsis thaliana 5739
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
29000
-
2 * 29000, SDS-PAGE Arabidopsis thaliana

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Arabidopsis thaliana

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
duroquinol + O2
-
Arabidopsis thaliana duroquinone + H2O
-
?
NADH + O2
-
Arabidopsis thaliana ?
-
?

Subunits

Subunits Comment Organism
homodimer 2 * 29000, SDS-PAGE Arabidopsis thaliana

Synonyms

Synonyms Comment Organism
AOX1a
-
Arabidopsis thaliana
cyanide-resistant alternative oxidase
-
Arabidopsis thaliana