4NN1:
reference: Crystal Structure of the transcriptional regulator Rv1219c of Mycobacterium tuberculosis., Kumar N, Radhakrishnan A, Wright CC, Chou TH, Lei HT, Bolla JR, Tringides ML, Rajashankar KR, Su CC, Purdy GE, Yu EW, Protein Sci. 2014 Jan 14. doi: 10.1002/pro.2424. PMID: 24424575

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