2KIU:
reference: Solution structure and backbone dynamics of the DNA-binding domain of FOXP1: Insight into its domain swapping and DNA binding., Chu YP, Chang CH, Shiu JH, Chang YT, Chen CY, Chuang WJ, Protein Sci. 2011 May;20(5):908-24. doi: 10.1002/pro.626. Epub 2011 Apr, 11. PMID: 21416545

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