2LPM:
reference: Nuclear Magnetic Resonance Structure and Dynamics of the Response Regulator Sma0114 from Sinorhizobium meliloti., Sheftic SR, Garcia PP, White E, Robinson VL, Gage DJ, Alexandrescu AT, Biochemistry. 2012 Sep 4;51(35):6932-41. Epub 2012 Aug 21. PMID: 22880754

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