EOG8F20H9 GO:0030091 1/8 protein repair biological_process "The process of restoring a protein to its original state after damage by such things as oxidation or spontaneous decomposition of residues." [GOC:mlg] EOG8F20H9 GO:0006979 1/8 response to oxidative stress biological_process "Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of oxidative stress, a state often resulting from exposure to high levels of reactive oxygen species, e.g. superoxide anions, hydrogen peroxide (H2O2), and hydroxyl radicals." [GOC:jl, PMID:12115731] EOG8F20H9 GO:0008113 1/8 peptide-methionine (S)-S-oxide reductase activity molecular_function "Catalysis of the reactions: peptide-L-methionine + thioredoxin disulfide + H2O = peptide-L-methionine (S)-S-oxide + thioredoxin, and L-methionine + thioredoxin disulfide + H2O = L-methionine (S)-S-oxide + thioredoxin. Can act on oxidized methionine in peptide linkage with specificity for the S enantiomer. Thioredoxin disulfide is the oxidized form of thioredoxin." [EC:1.8.4.11, GOC:mah, GOC:vw, PMID:11169920] EOG8F20H9 GO:0008236 1/8 serine-type peptidase activity molecular_function "Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine)." [http://merops.sanger.ac.uk/about/glossary.htm#CATTYPE, ISBN:0716720094] EOG8F20H9 GO:0033743 1/8 peptide-methionine (R)-S-oxide reductase activity molecular_function "Catalysis of the reaction: peptide-L-methionine + H(2)O + thioredoxin disulfide = peptide-L-methionine (R)-S-oxide + thioredoxin. Can act on oxidized methionine in peptide linkage with specificity for the R enantiomer. Thioredoxin disulfide is the oxidized form of thioredoxin." [EC:1.8.4.12, GOC:mah, GOC:vw, RHEA:24167]