A0A1P8B7K6 · A0A1P8B7K6_ARATH
- ProteinPeroxidase
- StatusUniProtKB unreviewed (TrEMBL)
- Amino acids286 (go to sequence)
- Protein existenceEvidence at protein level
- Annotation score3/5
Function
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.
Catalytic activity
- 2 a phenolic donor + H2O2 = 2 a phenolic radical donor + 2 H2O
Cofactor
Protein has several cofactor binding sites:
Note: Binds 2 calcium ions per subunit.
Note: Binds 1 heme b (iron(II)-protoporphyrin IX) group per subunit.
Features
Showing features for site, active site, binding site.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Site | 107 | Transition state stabilizer | ||||
Sequence: R | ||||||
Active site | 111 | Proton acceptor | ||||
Sequence: H | ||||||
Binding site | 112 | Ca2+ 1 (UniProtKB | ChEBI) | ||||
Sequence: D | ||||||
Binding site | 115 | Ca2+ 1 (UniProtKB | ChEBI) | ||||
Sequence: V | ||||||
Binding site | 117 | Ca2+ 1 (UniProtKB | ChEBI) | ||||
Sequence: G | ||||||
Binding site | 119 | Ca2+ 1 (UniProtKB | ChEBI) | ||||
Sequence: D | ||||||
Binding site | 121 | Ca2+ 1 (UniProtKB | ChEBI) | ||||
Sequence: S | ||||||
Binding site | 131 | Ca2+ 1 (UniProtKB | ChEBI) | ||||
Sequence: E | ||||||
Binding site | 204 | substrate | ||||
Sequence: P |
GO annotations
Aspect | Term | |
---|---|---|
Cellular Component | extracellular region | |
Cellular Component | membrane | |
Molecular Function | heme binding | |
Molecular Function | lactoperoxidase activity | |
Molecular Function | metal ion binding | |
Biological Process | hydrogen peroxide catabolic process | |
Biological Process | response to oxidative stress |
Keywords
- Molecular function
- Biological process
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended namePeroxidase
- EC number
Gene names
Organism names
- Strain
- Taxonomic lineageEukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > eudicotyledons > Gunneridae > Pentapetalae > rosids > malvids > Brassicales > Brassicaceae > Camelineae > Arabidopsis
Accessions
- Primary accessionA0A1P8B7K6
Proteomes
Organism-specific databases
Genome annotation databases
Subcellular Location
UniProt Annotation
GO Annotation
Features
Showing features for transmembrane.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Transmembrane | 56-76 | Helical | ||||
Sequence: ALSLVTVFFGISLANLEVGFY | ||||||
Transmembrane | 227-251 | Helical | ||||
Sequence: LVLLSGMYLFFFFVFSLIHVCLVVS |
Keywords
- Cellular component
PTM/Processing
Features
Showing features for disulfide bond.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Disulfide bond | 80↔157 | |||||
Sequence: CPQAESIVKRVVSGAALSDPNLPAILLRLHFHDCFVEGCDGSILVNNGAISEKNAFGHEGVRGFEIVEAVKAELEAAC | ||||||
Disulfide bond | 113↔118 | |||||
Sequence: CFVEGC |
Keywords
- PTM
Expression
Gene expression databases
Structure
Family & Domains
Features
Showing features for domain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Domain | 70-234 | Plant heme peroxidase family profile | ||||
Sequence: NLEVGFYSNTCPQAESIVKRVVSGAALSDPNLPAILLRLHFHDCFVEGCDGSILVNNGAISEKNAFGHEGVRGFEIVEAVKAELEAACPGVVSCSDIVALAARDAISLANGPAYEVPTGRRDGRVSNMSLAKDMPEVSDSIEILKAKFMQKGLNAKDLVLLSGMY |
Sequence similarities
Belongs to the peroxidase family. Classical plant (class III) peroxidase subfamily.
Keywords
- Domain
Family and domain databases
Sequence
- Sequence statusComplete
- Length286
- Mass (Da)31,454
- Last updated2017-04-12 v1
- Checksum48823F20903F23E9
Computationally mapped potential isoform sequences
There is 1 potential isoform mapped to this entry
Entry | Entry name | Gene name | Length | ||
---|---|---|---|---|---|
Q9SZH2 | PER43_ARATH | PER43 | 326 |
Keywords
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
CP002687 EMBL· GenBank· DDBJ | ANM67578.1 EMBL· GenBank· DDBJ | Genomic DNA |