4AUW:
reference: Expression, purification, crystallization and preliminary crystallographic analysis of the mouse transcription factor MafB in complex with its DNA-recognition motif Cmare., Textor LC, Wilmanns M, Holton SJ, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2007 Aug 1;63(Pt 8):657-61., doi: 10.1107/S1744309107031260. Epub 2007 Jul 7. PMID: 17671361

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