Detail Information for IndEnz0018000709
IED ID IndEnz0018000709
Enzyme Type ID peroxidase000709
Protein Name Peroxiredoxin Q, chloroplastic
EC 1.11.1.24
Thioredoxin peroxidase
Thioredoxin-dependent peroxiredoxin Q
Fragment
Gene Name PRXQ
Organism Sedum lineare (Needle stonecrop)
Taxonomic Lineage cellular organisms Eukaryota Viridiplantae Streptophyta Streptophytina Embryophyta Tracheophyta Euphyllophyta Spermatophyta Magnoliopsida Mesangiospermae eudicotyledons Gunneridae Pentapetalae Saxifragales Crassulaceae Sedum Sedum lineare (Needle stonecrop)
Enzyme Sequence QTLQTSSQSQFHGLKFSHASSFKSPSAPLRKNSIFAKVTKGSTPPPFTLKDQEGRPVSLSKFKGKPVVVYFYPADETPGCTKQACAFRDSYEKFKKAGAEVVGISGDSSESHKAFAKKYKLPFTLLSDEGNKVRKEWGVPSDLFGTLPGRETYVLDKNGVVQLVYNNQFQPEKHIDETLKLLQSLK
Enzyme Length 186
Uniprot Accession Number Q9MB35
Absorption
Active Site ACT_SITE 80; /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:0000269|PubMed:10998352};
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); Non-terminal residue (1); Region (1); Transit peptide (1)
Keywords Antioxidant;Chloroplast;Disulfide bond;Oxidoreductase;Peroxidase;Plastid;Redox-active center;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 20,652
Kinetics
Metal Binding
Rhea ID RHEA:62620
Cross Reference Brenda 1.11.1.24;