2WBS:
reference: The structure of the Klf4 DNA-binding domain links to self-renewal and macrophage differentiation., Schuetz A, Nana D, Rose C, Zocher G, Milanovic M, Koenigsmann J, Blasig R, Heinemann U, Carstanjen D, Cell Mol Life Sci. 2011 Sep;68(18):3121-31. Epub 2011 Feb 3. PMID: 21290164

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