Detail Information for IndEnz0018000030
IED ID IndEnz0018000030
Enzyme Type ID peroxidase000030
Protein Name Alkyl hydroperoxide reductase C
EC 1.11.1.26
26 kDa antigen
Peroxiredoxin
Thioredoxin peroxidase
Gene Name ahpC tsaA jhp_1471
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 MLVTKLAPDFKAPAVLGNNEVDEHFELSKNLGKNGVILFFWPKDFTFVCPTEIIAFDKRVKDFHEKGFNVIGVSIDSEQVHFAWKNTPVEKGGIGQVSFPMVADITKSISRDYDVLFEEAIALRGAFLIDKNMKVRHAVINDLPLGRNADEMLRMVDALLHFEEHGEVCPAGWRKGDKGMKATHQGVAEYLKENSIKL
Enzyme Length 198
Uniprot Accession Number P56876
Absorption
Active Site ACT_SITE 49; /note=Cysteine sulfenic acid (-SOH) intermediate; /evidence=ECO:0000305|PubMed:16213196
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:0000250|UniProtKB:P0A251};
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:0000250|UniProtKB:P0A251}.
Temperature Dependency
PH Dependency
Pathway
nucleotide Binding
Features Active site (1); Beta strand (7); Chain (1); Disulfide bond (2); Domain (1); Helix (6); Turn (3)
Keywords 3D-structure;Antioxidant;Cytoplasm;Direct protein sequencing;Disulfide bond;Oxidoreductase;Peroxidase;Redox-active center
Interact With
Induction
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 1ZOF;
Mapped Pubmed ID 17092930;
Motif
Gene Encoded By
Mass 22,259
Kinetics
Metal Binding
Rhea ID RHEA:62628
Cross Reference Brenda