Reviewed,
UniProtKB/Swiss-Prot O23474 (PER40_ARATH)
Last modified
June 16, 2009.
Version 80.
History...
Clusters with 100%,
90%,
50% identity |
Documents (2) |
Third-party data |
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Names and origin
| Protein names | Recommended name: Peroxidase 40 Short name=Atperox P40 EC=1.11.1.7 | ||||||||
| Gene names |
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| Organism | Arabidopsis thaliana (Mouse-ear cress) [Complete proteome] | ||||||||
| Taxonomic identifier | 3702 [NCBI] | ||||||||
| Taxonomic lineage | Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliophyta › eudicotyledons › core eudicotyledons › rosids › eurosids II › Brassicales › Brassicaceae › Arabidopsis |
Protein attributes
| Sequence length | 348 AA. |
| Sequence status | Complete. |
| Sequence processing | The displayed sequence is further processed into a mature form. |
| Protein existence | Evidence at transcript level. |
General annotation (Comments)
| Function | Removal of H2O2, 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. |
| Catalytic activity | Donor + H2O2 = oxidized donor + 2 H2O. |
| Cofactor | Binds 1 heme B (iron-protoporphyrin IX) group per subunit By similarity. Binds 2 calcium ions per subunit By similarity. |
| Subcellular location | Secreted By similarity. |
| Miscellaneous | There are 73 peroxidase genes in A.thaliana. |
| Sequence similarities | Belongs to the peroxidase family. Classical plant (class III) peroxidase subfamily. |
| Sequence caution | The sequence CAB10406.1 differs from that shown. Reason: Erroneous gene model prediction. The sequence CAB78669.1 differs from that shown. Reason: Erroneous gene model prediction. |
Ontologies
| Keywords | |
|---|---|
| Biological process | Hydrogen peroxide |
| Cellular component | Secreted |
| Domain | Signal |
| Ligand | Calcium Heme Iron Metal-binding |
| Molecular function | Oxidoreductase Peroxidase |
| PTM | Disulfide bond Glycoprotein |
| Technical term | Complete proteome |
| Gene Ontology (GO) | |
| Biological process | hydrogen peroxide catabolic process Inferred from electronic annotation. Source: UniProtKB-KW oxidation reductionInferred from electronic annotation. Source: UniProtKB-KW |
| Cellular component | extracellular region Inferred from electronic annotation. Source: UniProtKB-SubCell |
| Molecular function | calcium ion binding Inferred from electronic annotation. Source: UniProtKB-KW electron carrier activityInferred from electronic annotation. Source: InterPro heme bindingInferred from electronic annotation. Source: InterPro peroxidase activityInferred from electronic annotation. Source: UniProtKB-KW |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||||
Molecule processing | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Signal peptide | 1 – 21 | 21 | Potential | ||||||||
| Chain | 22 – 348 | 327 | Peroxidase 40 | PRO_0000023706 | |||||||
Sites | |||||||||||
| Active site | 90 | 1 | Proton acceptor By similarity | ||||||||
| Metal binding | 91 | 1 | Calcium 1 By similarity | ||||||||
| Metal binding | 94 | 1 | Calcium 1; via carbonyl oxygen By similarity | ||||||||
| Metal binding | 96 | 1 | Calcium 1; via carbonyl oxygen By similarity | ||||||||
| Metal binding | 98 | 1 | Calcium 1 By similarity | ||||||||
| Metal binding | 100 | 1 | Calcium 1 By similarity | ||||||||
| Metal binding | 217 | 1 | Iron (heme axial ligand) By similarity | ||||||||
| Metal binding | 218 | 1 | Calcium 2 By similarity | ||||||||
| Metal binding | 269 | 1 | Calcium 2 By similarity | ||||||||
| Metal binding | 272 | 1 | Calcium 2 By similarity | ||||||||
| Metal binding | 277 | 1 | Calcium 2 By similarity | ||||||||
| Binding site | 187 | 1 | Substrate; via carbonyl oxygen By similarity | ||||||||
| Site | 86 | 1 | Transition state stabilizer By similarity | ||||||||
Amino acid modifications | |||||||||||
| Glycosylation | 26 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 190 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Disulfide bond | 59 ↔ 139 | By similarity | |||||||||
| Disulfide bond | 92 ↔ 97 | By similarity | |||||||||
| Disulfide bond | 145 ↔ 344 | By similarity | |||||||||
| Disulfide bond | 224 ↔ 256 | By similarity | |||||||||
Sequences
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References
Cross-references
Sequence databases | |
|---|---|
| Z97340 Genomic DNA. Translation: CAB10406.1. Sequence problems. AL161543 Genomic DNA. Translation: CAB78669.1. Sequence problems. BT011747 mRNA. Translation: AAS49110.1. AK175661 mRNA. Translation: BAD43424.1. AK175982 mRNA. Translation: BAD43745.1. | |
| IPI | IPI00543045. |
| UniGene | At.50347 At.67828 |
3D structure databases | |
| HSSP | HSSP built from PDB template 1SCH based on UniProtKB P22195. |
| ModBase | Search... |
Protein family/group databases | |
| PeroxiBase | 206. AtPrx40. |
Genome annotation databases | |
| GenomeReviews | Gene locus AT4G16270 in contig CT486007_GR. |
| NMPDR | fig|3702.1.peg.19392. |
Organism-specific databases | |
| GeneFarm | 1869. 61. |
| TAIR | At4g16270. |
Enzyme and pathway databases | |
| BRENDA | 1.11.1.7. 302. |
Gene expression databases | |
| ArrayExpress | O23474. |
| GermOnline | AT4G16270. Arabidopsis thaliana. |
Family and domain databases | |
| InterPro | IPR002016. Haem_peroxidase_pln/fun/bac. IPR000823. Peroxidase_pln. IPR019794. Peroxidases_AS. IPR019793. Peroxidases_heam-ligand_BS. [Graphical view] |
| Pfam | PF00141. peroxidase. 1 hit. [Graphical view] |
| PRINTS | PR00458. PEROXIDASE. PR00461. PLPEROXIDASE. |
| PROSITE | PS00435. PEROXIDASE_1. 1 hit. PS00436. PEROXIDASE_2. 1 hit. PS50873. PEROXIDASE_4. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | PER40_ARATH | ||||||||
| Accession | Primary (citable) accession number: O23474 Secondary accession number(s): Q53XE3, Q67ZY5 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation project | PPAP (Plant Proteome Annotation Project) | ||||||||
Relevant documents
| Arabidopsis thaliana Arabidopsis thaliana: entries and gene names |
| SIMILARITY comments Index of protein domains and families |

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