4I1K:
reference: The Arabidopsis B3 domain protein VERNALIZATION1 is involved in processes essential for development with structural and mutational studies revealing its DNA binding surface., King G, Chanson AH, McCallum EJ, Ohme-Takagi M, Byriel K, Hill JM, Martin JL, Mylne JS, J Biol Chem. 2012 Dec 19. PMID: 23255593

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