5CRL:
reference: Structural Analysis of the Hg(II)-Regulatory Protein Tn501 MerR from Pseudomonas aeruginosa., Wang D, Huang S, Liu P, Liu X, He Y, Chen W, Hu Q, Wei T, Gan J, Ma J, Chen H, Sci Rep. 2016 Sep 19;6:33391. doi: 10.1038/srep33391. PMID: 27641146

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