IED ID | IndEnz0018001387 |
Enzyme Type ID | peroxidase001387 |
Protein Name |
2-cysteine peroxiredoxin, chloroplastic 2-Cys Prx EC 1.11.1.24 Thiol-specific antioxidant protein Thioredoxin-dependent peroxiredoxin |
Gene Name | |
Organism | Chattonella marina var. antiqua (Red tide flagellate) (Chattonella antiqua) |
Taxonomic Lineage | cellular organisms Eukaryota Sar Stramenopiles Ochrophyta Raphidophyceae Chattonellales Chattonellaceae Chattonella Chattonella marina Chattonella marina var. antiqua (Red tide flagellate) (Chattonella antiqua) |
Enzyme Sequence | MSIRVGQKAPDFTATAVFDQEFGTIRLSDYLDKRYVVLFFYPLDFTFVCPTEITAFSDRFKEFKELSTEVLGVSVDSEFSHLAWTQIDRKSGGLGELEYPLVSDLKKEISSSYNVLTEDGVALRALFIIDKEGIIQHSTVNNLSFGRNVDEALRTLQAIQYSQENPDEVCPVNWKPGSKTMKPDPVGSKVYFEAI |
Enzyme Length | 195 |
Uniprot Accession Number | A0A2Z5VKM8 |
Absorption | |
Active Site | ACT_SITE 49; /note=Cysteine sulfenic acid (-SOH) intermediate; /evidence=ECO:0000305 |
Activity Regulation | |
Binding Site | |
Calcium Binding | |
catalytic Activity | CATALYTIC ACTIVITY: Reaction=[thioredoxin]-dithiol + a hydroperoxide = [thioredoxin]-disulfide + an alcohol + H2O; Xref=Rhea:RHEA:62620, Rhea:RHEA-COMP:10698, Rhea:RHEA-COMP:10700, ChEBI:CHEBI:15377, ChEBI:CHEBI:29950, ChEBI:CHEBI:30879, ChEBI:CHEBI:35924, ChEBI:CHEBI:50058; EC=1.11.1.24; Evidence={ECO:0000250|UniProtKB:Q96291}; |
DNA Binding | |
EC Number | 1.11.1.24 |
Enzyme Function | FUNCTION: Thiol-specific peroxidase that catalyzes the reduction of hydrogen peroxide and organic hydroperoxides to water and alcohols, respectively. Plays a role in cell protection against oxidative stress by detoxifying peroxides. {ECO:0000250|UniProtKB:Q96291}. |
Temperature Dependency | |
PH Dependency | |
Pathway | |
nucleotide Binding | |
Features | Active site (1); Chain (1); Disulfide bond (2); Domain (1) |
Keywords | Chloroplast;Direct protein sequencing;Disulfide bond;Oxidoreductase;Plastid |
Interact With | |
Induction | INDUCTION: Up-regulated by high-intensity light and H2O2 (Ref.1). Down-regulated in the late stationary growth phase as compared to the early stationary and exponential growth phases (PubMed:23291769). {ECO:0000269|PubMed:23291769, ECO:0000269|Ref.1}. |
Subcellular Location | SUBCELLULAR LOCATION: Plastid, chloroplast {ECO:0000250|UniProtKB:Q96291}. |
Modified Residue | |
Post Translational Modification | |
Signal Peptide | |
Structure 3D | |
Cross Reference PDB | - |
Mapped Pubmed ID | - |
Motif | |
Gene Encoded By | Chloroplast |
Mass | 22,013 |
Kinetics | |
Metal Binding | |
Rhea ID | RHEA:62620 |
Cross Reference Brenda |