AhpC is an unusual peroxiredoxin - it has three cysteine residues that participate in the reduction of toxic peroxynitrite to nitrite. In a second step, another thioredoxin or the reductase chain AhpD/DlaT/Lpd is needed for reactivation (Guimaraes et al. 2005).
Cole, ST, GuimarĂ£es, BG, Brosch, R, Alzari, PM, Shepard, W, Souchon, H, HonorĂ©, N, Saint-Joanis, B
peroxiredoxin activity of AhpC hexamer [cytosol]
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