| IED ID | IndEnz0018001636 |
| Enzyme Type ID | peroxidase001636 |
| Protein Name |
Thiol peroxidase Tpx EC 1.11.1.24 Peroxiredoxin tpx Prx Thioredoxin peroxidase Thioredoxin-dependent peroxiredoxin |
| Gene Name | tpx jhp_0991 |
| Organism | Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99) |
| Taxonomic Lineage | cellular organisms Bacteria Proteobacteria delta/epsilon subdivisions Epsilonproteobacteria Campylobacterales Helicobacteraceae Helicobacter Helicobacter pylori (Campylobacter pylori) Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99) |
| Enzyme Sequence | MQKVTFKEETYQLEGKALKVGDKAPDVKLVNGDLQEVNLLKQGVRFQVVSALPSLTGSVCLLQAKHFNEQAGKLPSVSFSVISMDLPFSQGQICGAEGIKDLRILSDFRYKAFGENYGVLLGKGSLQGLLARSVFVLDDKGVVIYKEIVQNILEEPNYEALLKVLK |
| Enzyme Length | 166 |
| Uniprot Accession Number | Q9ZKE7 |
| Absorption | |
| Active Site | ACT_SITE 60; /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 |
| Interact With | |
| Induction | |
| Subcellular Location | |
| Modified Residue | |
| Post Translational Modification | |
| Signal Peptide | |
| Structure 3D | |
| Cross Reference PDB | - |
| Mapped Pubmed ID | 17092930; |
| Motif | |
| Gene Encoded By | |
| Mass | 18,262 |
| Kinetics | |
| Metal Binding | |
| Rhea ID | RHEA:62620 |
| Cross Reference Brenda |