The Arabidopsis B3 domain protein VERNALIZATION1 (VRN1) is involved in processes essential for development, with structural and mutational studies revealing its DNA-binding surface.
King GJ, Chanson AH, McCallum EJ, Ohme-Takagi M, Byriel K, Hill JM, Martin JL, Mylne JS. J Biol Chem. 2013 Feb 1; 288(5):3198-207. Epub 2012 Dec 19.