Detail Information for IndEnz0018001333
IED ID IndEnz0018001333
Enzyme Type ID peroxidase001333
Protein Name Thiol peroxidase
Tpx
EC 1.11.1.24
Peroxiredoxin tpx
Prx
Thioredoxin peroxidase
Thioredoxin-dependent peroxiredoxin
Gene Name tpx tagD VC_0824
Organism Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961)
Taxonomic Lineage cellular organisms Bacteria Proteobacteria Gammaproteobacteria Vibrionales Vibrionaceae Vibrio Vibrio cholerae Vibrio cholerae O1 Vibrio cholerae O1 biovar El Tor Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961)
Enzyme Sequence MTVTFQNNPVSISGSFPKVGDRLPSFTLCGADLNDLSNEDFKGKKIVMSIFPSIDTPVCSKSVKVLQNALMTRNDTVLLCVSADLPFAMSRFCTEHAVANVTNASFFREPAFTERFGVNLNEGALRGLAARAVIVADEFGVITHSELVNEITNEPDYDRILMSL
Enzyme Length 164
Uniprot Accession Number P0C6P9
Absorption
Active Site ACT_SITE 59; /note=Cysteine sulfenic acid (-SOH) intermediate; /evidence=ECO:0000255|HAMAP-Rule:MF_00269
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:0000255|HAMAP-Rule:MF_00269};
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:0000255|HAMAP-Rule:MF_00269}.
Temperature Dependency
PH Dependency
Pathway
nucleotide Binding
Features Active site (1); Chain (1); Disulfide bond (1); Domain (1)
Keywords Antioxidant;Disulfide bond;Oxidoreductase;Peroxidase;Redox-active center;Reference proteome
Interact With
Induction
Subcellular Location
Modified Residue
Post Translational Modification PTM: Contains two disulfide bonds. {ECO:0000305}.
Signal Peptide
Structure 3D
Cross Reference PDB -
Mapped Pubmed ID -
Motif
Gene Encoded By
Mass 17,924
Kinetics
Metal Binding
Rhea ID RHEA:62620
Cross Reference Brenda