Mercuric resistance operon regulatory protein
UniProtKB accession: P0A183
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Go to UniProtKB: P0A183
UniProtKB description: Mediates the mercuric-dependent induction of mercury resistance operon. In the absence of mercury MerR represses transcription by binding tightly to the mer operator region; when mercury is present the dimeric complex binds a single ion and becomes a potent transcriptional activator, while remaining bound to the mer site.
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