Detail Information for IndEnz0018000307
IED ID IndEnz0018000307
Enzyme Type ID peroxidase000307
Protein Name Putative peroxiredoxin
EC 1.11.1.24
29 kDa cysteine-rich surface antigen
Thioredoxin peroxidase
Thioredoxin-dependent peroxiredoxin
Gene Name
Organism Entamoeba histolytica
Taxonomic Lineage cellular organisms Eukaryota Amoebozoa Evosea Archamoebae Mastigamoebida Entamoebidae Entamoeba Entamoeba histolytica
Enzyme Sequence MSCNQQKECCKKECQEKECCKECCCPRIKAFKKFINTFEKAQIGKEAPEFKAPAYCPCGSIKEIDINEYRGKYVVLLFYPLDWTFVCPTEMIGYSELAGQLKEINCEVIGVSVDSVYCHQAWCEADKSKGGVGKLTFPLVSDIKRCISIKYGMLNVEAGIARRGYVIIDDKGKVRYIQMNDDGIGRSTEETIRIVKAIQFSDEHGAVCPLNWKPGKDTIEPTPDGIKKYLTAH
Enzyme Length 233
Uniprot Accession Number P19476
Absorption
Active Site ACT_SITE 87; /note=Cysteine sulfenic acid (-SOH) intermediate; /evidence=ECO:0000250|UniProtKB:Q06830
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:Q06830};
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 and as sensor of hydrogen peroxide-mediated signaling events. {ECO:0000250|UniProtKB:Q06830}.
Temperature Dependency
PH Dependency
Pathway
nucleotide Binding
Features Active site (1); Chain (1); Disulfide bond (2); Domain (1); Sequence conflict (2)
Keywords Antioxidant;Cell membrane;Disulfide bond;Membrane;Oxidoreductase;Peroxidase;Redox-active center
Interact With
Induction
Subcellular Location SUBCELLULAR LOCATION: Cell membrane; Peripheral membrane protein; Extracellular side {ECO:0000269|PubMed:7682280}.
Modified Residue
Post Translational Modification
Signal Peptide
Structure 3D
Cross Reference PDB -
Mapped Pubmed ID -
Motif
Gene Encoded By
Mass 26,253
Kinetics
Metal Binding
Rhea ID RHEA:62620
Cross Reference Brenda