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UniProt functional annotation for P00433 | ||
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| UniProt code: P00433. |
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| Organism: | |
Armoracia rusticana (Horseradish) (Armoracia laphatifolia). |
| Taxonomy: | |
Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; rosids; malvids; Brassicales; Brassicaceae; Cardamineae; Armoracia. |
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| Function: | |
Removal of H(2)O(2), oxidation of toxic reductants, biosynthesis and degradation of lignin, suberization, auxin catabolism, response to environmental stresses such as wounding, pathogen attack and oxidative stress. These functions might be dependent on each isozyme/isoform in each plant tissue. |
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| Catalytic activity: | |
Reaction=2 a phenolic donor + H2O2 = 2 a phenolic radical donor + 2 H2O; Xref=Rhea:RHEA:56136, ChEBI:CHEBI:15377, ChEBI:CHEBI:16240, ChEBI:CHEBI:139520, ChEBI:CHEBI:139521; EC=1.11.1.7; |
| Cofactor: | |
Name=Ca(2+); Xref=ChEBI:CHEBI:29108; Note=Binds 2 calcium ions per subunit.; |
| Cofactor: | |
Name=heme b; Xref=ChEBI:CHEBI:60344; Note=Binds 1 heme b (iron(II)-protoporphyrin IX) group per subunit.; |
| Subunit: | |
Monomer. |
| Subcellular location: | |
Secreted {ECO:0000305}. Vacuole {ECO:0000305}. Note=Carboxy-terminal extension appears to target the protein to vacuoles. |
| Similarity: | |
Belongs to the peroxidase family. Classical plant (class III) peroxidase subfamily. {ECO:0000255|PROSITE-ProRule:PRU00297}. |
Annotations taken from UniProtKB at the EBI.