The Enzyme Database

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EC 1.11.1.17     
Accepted name: glutathione amide-dependent peroxidase
Reaction: 2 glutathione amide + H2O2 = glutathione amide disulfide + 2 H2O
Systematic name: glutathione amide:hydrogen-peroxide oxidoreductase
Comments: This enzyme, which has been characterized from the proteobacterium Marichromatium gracile, is a chimeric protein, containing a peroxiredoxin-like N-terminus and a glutaredoxin-like C terminus. The enzyme has peroxidase activity towards hydrogen peroxide and several small alkyl hydroperoxides, and is thought to represent an early adaptation for fighting oxidative stress [1]. The glutathione amide disulfide produced by this enzyme can be restored to glutathione amide by EC 1.8.1.16 (glutathione amide reductase).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Vergauwen, B., Pauwels, F., Jacquemotte, F., Meyer, T.E., Cusanovich, M.A., Bartsch, R.G. and Van Beeumen, J.J. Characterization of glutathione amide reductase from Chromatium gracile. Identification of a novel thiol peroxidase (Prx/Grx) fueled by glutathione amide redox cycling. J. Biol. Chem. 276 (2001) 20890–20897. [PMID: 11399772]
[EC 1.11.1.17 created 2010]
 
 


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