Detail Information for IndEnz0018001420
IED ID IndEnz0018001420
Enzyme Type ID peroxidase001420
Protein Name Peroxiredoxin Q, chloroplastic
EC 1.11.1.24
Thioredoxin peroxidase
Thioredoxin-dependent peroxiredoxin Q
Gene Name PRX1
Organism Triticum aestivum (Wheat)
Taxonomic Lineage cellular organisms Eukaryota Viridiplantae Streptophyta Streptophytina Embryophyta Tracheophyta Euphyllophyta Spermatophyta Magnoliopsida Mesangiospermae Liliopsida Petrosaviidae commelinids Poales Poaceae BOP clade Pooideae Triticodae Triticeae Triticinae Triticum Triticum aestivum (Wheat)
Enzyme Sequence MAFAASTACCKPSALLAPRASSSSPPSQARLCRPSTSAAFHGLRAPASAFALAPAPRRRAASTGIVCGKVSKGSVPPNFTLKDQDGKTVSLSKFKGKPVVLYFYPADETPGCTKQACAFRDSYEKYKKAGAEVIGISGDDAASHKAFAKKYRLPFTLLSDEGNKVRKEWGVPSDLFGTLPGRQTYVLDKKGVVQYIYNNQFQPEKHIGETLKIIQNL
Enzyme Length 217
Uniprot Accession Number Q5S1S6
Absorption
Active Site ACT_SITE 112; /note=Cysteine sulfenic acid (-SOH) intermediate; /evidence=ECO:0000250|UniProtKB:P0AE52
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:Q9LU86};
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:Q9LU86}.
Temperature Dependency
PH Dependency
Pathway
nucleotide Binding
Features Active site (1); Chain (1); Disulfide bond (1); Domain (1); Transit peptide (1)
Keywords Antioxidant;Chloroplast;Disulfide bond;Oxidoreductase;Peroxidase;Plastid;Redox-active center;Reference proteome;Thylakoid;Transit peptide
Interact With
Induction
Subcellular Location SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid lumen {ECO:0000250|UniProtKB:Q9LU86}.
Modified Residue
Post Translational Modification
Signal Peptide
Structure 3D
Cross Reference PDB -
Mapped Pubmed ID -
Motif
Gene Encoded By
Mass 23,364
Kinetics
Metal Binding
Rhea ID RHEA:62620
Cross Reference Brenda