Detail Information for IndEnz0018001387
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