LMPD Database

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LMP009656

UniProt Annotations

Entry Information
Gene Name1-aminocyclopropane-1-carboxylate oxidase 1
Protein EntryACCO1_ARATH
UniProt IDQ9ZUN4
SpeciesArabidopsis
Comments
Comment typeDescription
Catalytic Activity1-aminocyclopropane-1-carboxylate + ascorbate + O(2) = ethylene + cyanide + dehydroascorbate + CO(2) + 2 H(2)O.
CofactorName=Fe(2+); Xref=ChEBI:CHEBI:29033; Evidence={ECO:0000255|PROSITE-ProRule:PRU00805}; Note=Binds 1 Fe(2+) ion per subunit. {ECO:0000255|PROSITE- ProRule:PRU00805};
FunctionEnzyme involved in the ethylene biosynthesis. May promote stem elongation by maximizing the extensibility cells, possibly by activating ethylene biosynthesis, in response to very- long-chain fatty acids (VLCFAs C20:0 to C30:0). {ECO:0000269|PubMed:17993622}.
InductionUpon potassium K(+) and iron deprivation. Induced in leaf blades in low light intensities. Seems repressed by ethylene. Accumulates in response to very-long-chain fatty acids (VLCFAs C20:0 to C30:0). Induced in roots by nitric oxide (NO). {ECO:0000269|PubMed:12972669, ECO:0000269|PubMed:15173595, ECO:0000269|PubMed:15272873, ECO:0000269|PubMed:15734909, ECO:0000269|PubMed:17993622, ECO:0000269|PubMed:20627899, ECO:0000269|PubMed:21316254}.
PathwayAlkene biosynthesis; ethylene biosynthesis via S- adenosyl-L-methionine; ethylene from S-adenosyl-L-methionine: step 2/2.
SimilarityBelongs to the iron/ascorbate-dependent oxidoreductase family. {ECO:0000305}.
SimilarityContains 1 Fe2OG dioxygenase domain. {ECO:0000255|PROSITE-ProRule:PRU00805}.