2VY1:
reference: Structural basis for LEAFY floral switch function and similarity with helix-turn-helix proteins., Hames C, Ptchelkine D, Grimm C, Thevenon E, Moyroud E, Gerard F, Martiel JL, Benlloch R, Parcy F, Muller CW, EMBO J. 2008 Sep 11. PMID: 18784751

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