6C9L:
reference: Crystal Structure of Apo MEF2B Reveals New Insights in DNA Binding and Cofactor Interaction., Lei X, Shi H, Kou Y, Rajashekar N, Wu F, Sen C, Xu J, Chen L, Biochemistry. 2018 Jul 17;57(28):4047-4051. doi: 10.1021/acs.biochem.8b00439., Epub 2018 Jul 5. PMID: 29944822

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