Catalysis of the reaction: [protein]-dithiol + ONOO- = [protein]-disulfide + NO2- + H2O.
Source:PMID:11001062,
GOC:rs
Comment
Note that this activity is usually associated in vivo with an NADPH-dependent disulfide reductase activity, so that catalysis of the reduction of peroxynitrite to nitrite involves the possible creation of oxygen or water, using NADPH as reduction equivalent.