Catalysis of the reaction: 2 R-SH + ONOO- = R-SS-R + NO2- + H2O.
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.
Synonyms are alternative words or phrases closely related in meaning to the term name, with indication of the relationship between the name and synonym given by the synonym scope.
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Usage of this term is subject to the following annotation guidelines:
Annotating to catalytic activities using the IPI evidence code