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Q42564

UniProt ID :

Q42564

NCBI Taxonomy :

3702

Protein names :

L-ascorbate peroxidase 3, peroxisomal

Organism :

Arabidopsis thaliana

Taxonomy :

Eukaryota

Subcellular locations :

Peroxisome membrane;Glyoxysome membrane;

Length :

287

Gene Ontology :

GO ID	Ontology	Definition	Evidence
GO:0009941	Cellular Component	chloroplast envelope	IDA
GO:0046861	Cellular Component	glyoxysomal membrane	IEA
GO:0009514	Cellular Component	glyoxysome	IEA
GO:0016021	Cellular Component	integral to membrane	IEA
GO:0005739	Cellular Component	mitochondrion	IDA
GO:0005778	Cellular Component	peroxisomal membrane	ISS
GO:0009506	Cellular Component	plasmodesma	IDA
GO:0005774	Cellular Component	vacuolar membrane	IDA
GO:0020037	Molecullar Function	heme binding	IEA
GO:0016688	Molecullar Function	L-ascorbate peroxidase activity	ISS
GO:0046872	Molecullar Function	metal ion binding	IEA
GO:0042744	Biological Process	hydrogen peroxide catabolic process	IEA
GO:0006979	Biological Process	response to oxidative stress	IMP

Catalytic activity :

2 L-ascorbate + H₂O₂ + 2 H⁺ = L-ascorbate + L-dehydroascorbate + 2 H₂O.

SWISS-MODEL Repository :

Q42564

Sequences :

MAAPIVDAEYLKEITKARRELRSLIANKNCAPIMLRLAWHDAGTYDAQSKTGGPNGSIRNEEEHTHGANSGLKIALDLCEGVKAKHPKITYADLYQLAGVVAVEVTGGPDIVFVPGRKDSNVCPKEGRLPDAKQGFQHLRDVFYRMGLSDKDIVALSGGHTLGRAHPERSGFDGPWTQEPLKFDNSYFVELLKGESEGLLKLPTDKTLLEDPEFRRLVELYAKDEDAFFRDYAESHKKLSELGFNPNSSAGKAVADSTILAQSAFGVAVAAAVVAFGYFYEIRKRMK

Function :

Plays a key role in hydrogen peroxide removal (By similarity).