IED ID | IndEnz0018000061 |
Enzyme Type ID | peroxidase000061 |
Protein Name |
Alkyl hydroperoxide reductase C EC 1.11.1.26 Peroxiredoxin Thioredoxin peroxidase |
Gene Name | ahpC AXY_22000 |
Organism | Amphibacillus xylanus (strain ATCC 51415 / DSM 6626 / JCM 7361 / LMG 17667 / NBRC 15112 / Ep01) |
Taxonomic Lineage | cellular organisms Bacteria Terrabacteria group Firmicutes Bacilli Bacillales Bacillaceae Amphibacillus Amphibacillus xylanus Amphibacillus xylanus (strain ATCC 51415 / DSM 6626 / JCM 7361 / LMG 17667 / NBRC 15112 / Ep01) |
Enzyme Sequence | MSLIGTEVQPFRAQAFQSGKDFFEVTEADLKGKWSIVVFYPADFSFVCPTELEDVQKEYAELKKLGVEVYSVSTDTHFVHKAWHENSPAVGSIEYIMIGDPSQTISRQFDVLNEETGLADRGTFIIDPDGVIQAIEINADGIGRDASTLINKVKAAQYVRENPGEVCPAKWEEGGETLKPSLDIVGKI |
Enzyme Length | 188 |
Uniprot Accession Number | K0J4Q8 |
Absorption | |
Active Site | ACT_SITE 48; /note=Cysteine sulfenic acid (-SOH) intermediate; /evidence=ECO:0000305|PubMed:15770647 |
Activity Regulation | |
Binding Site | |
Calcium Binding | |
catalytic Activity | CATALYTIC ACTIVITY: Reaction=a hydroperoxide + H(+) + NADH = an alcohol + H2O + NAD(+); Xref=Rhea:RHEA:62628, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30879, ChEBI:CHEBI:35924, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=1.11.1.26; Evidence={ECO:0000269|PubMed:10960086}; |
DNA Binding | |
EC Number | 1.11.1.26 |
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:0000269|PubMed:10960086}. |
Temperature Dependency | |
PH Dependency | |
Pathway | |
nucleotide Binding | |
Features | Active site (1); Beta strand (8); Chain (1); Disulfide bond (2); Domain (1); Helix (5); Initiator methionine (1); Turn (2) |
Keywords | 3D-structure;Antioxidant;Cytoplasm;Direct protein sequencing;Disulfide bond;Oxidoreductase;Peroxidase;Redox-active center;Reference proteome |
Interact With | |
Induction | INDUCTION: Induced significantly under aerobic conditions. {ECO:0000269|PubMed:10960086}. |
Subcellular Location | SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250|UniProtKB:P0AE08}. |
Modified Residue | |
Post Translational Modification | |
Signal Peptide | |
Structure 3D | X-ray crystallography (1) |
Cross Reference PDB | 1WE0; |
Mapped Pubmed ID | 10423523; |
Motif | |
Gene Encoded By | |
Mass | 20,774 |
Kinetics | BIOPHYSICOCHEMICAL PROPERTIES: Kinetic parameters: KM=8.9 uM for H(2)O(2) {ECO:0000269|PubMed:10960086}; KM=10 uM for cumene hydroperoxide {ECO:0000269|PubMed:10960086}; |
Metal Binding | |
Rhea ID | RHEA:62628 |
Cross Reference Brenda |