A0A8I6WAX8 · A0A8I6WAX8_HORVV
- ProteinPlant heme peroxidase family profile domain-containing protein
- StatusUniProtKB unreviewed (TrEMBL)
- Amino acids437 (go to sequence)
- Protein existenceInferred from homology
- Annotation score3/5
Function
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 | 172 | Transition state stabilizer | |||
Active site | 176 | Proton acceptor | |||
Binding site | 177 | Ca2+ 1 (UniProtKB | ChEBI) | |||
Binding site | 182 | Ca2+ 1 (UniProtKB | ChEBI) | |||
Binding site | 184 | Ca2+ 1 (UniProtKB | ChEBI) | |||
Binding site | 186 | Ca2+ 1 (UniProtKB | ChEBI) | |||
Binding site | 199 | Ca2+ 1 (UniProtKB | ChEBI) | |||
Binding site | 275 | substrate | |||
Binding site | 305 | Fe (UniProtKB | ChEBI) of heme b (UniProtKB | ChEBI); axial binding residue | |||
Binding site | 306 | Ca2+ 2 (UniProtKB | ChEBI) | |||
Binding site | 355 | Ca2+ 2 (UniProtKB | ChEBI) | |||
Binding site | 358 | Ca2+ 2 (UniProtKB | ChEBI) | |||
Binding site | 363 | Ca2+ 2 (UniProtKB | ChEBI) | |||
GO annotations
Aspect | Term | |
---|---|---|
Molecular Function | heme binding | |
Molecular Function | metal ion binding | |
Molecular Function | peroxidase activity | |
Biological Process | hydrogen peroxide catabolic process | |
Biological Process | response to oxidative stress |
Keywords
- Molecular function
- Biological process
- Ligand
Names & Taxonomy
Protein names
- Recommended namePlant heme peroxidase family profile domain-containing protein
Organism names
- Strain
- Taxonomic lineageEukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > Liliopsida > Poales > Poaceae > BOP clade > Pooideae > Triticodae > Triticeae > Hordeinae > Hordeum
Accessions
- Primary accessionA0A8I6WAX8
Proteomes
Genome annotation databases
PTM/Processing
Features
Showing features for disulfide bond.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Disulfide bond | 148↔225 | ||||
Disulfide bond | 178↔183 | ||||
Disulfide bond | 231↔431 | ||||
Disulfide bond | 312↔342 | ||||
Keywords
- PTM
Structure
Family & Domains
Features
Showing features for region, compositional bias, domain.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Region | 103-135 | Disordered | |||
Compositional bias | 105-133 | Pro residues | |||
Domain | 138-435 | Plant heme peroxidase family profile | |||
Sequence similarities
Belongs to the peroxidase family. Ascorbate peroxidase subfamily.
Family and domain databases
Sequence
- Sequence statusComplete
- Length437
- Mass (Da)46,985
- Last updated2022-05-25 v1
- Checksum95C2068B5E63707C
Features
Showing features for compositional bias.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Compositional bias | 105-133 | Pro residues | |||
Keywords
- Technical term