3EYY:
reference: Structural basis for the specialization of Nur, a nickel-specific Fur homolog, in metal sensing and DNA recognition., An YJ, Ahn BE, Han AR, Kim HM, Chung KM, Shin JH, Cho YB, Roe JH, Cha SS, Nucleic Acids Res. 2009 Jun;37(10):3442-51. Epub 2009 Mar 31. PMID: 19336416

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