4YRV:
reference: Structural insights into HetR-PatS interaction involved in cyanobacterial pattern formation., Hu HX, Jiang YL, Zhao MX, Cai K, Liu S, Wen B, Lv P, Zhang Y, Peng J, Zhong H, Yu HM, Ren YM, Zhang Z, Tian C, Wu Q, Oliveberg M, Zhang CC, Chen Y, Zhou CZ, Sci Rep. 2015 Nov 18;5:16470. doi: 10.1038/srep16470. PMID: 26576507

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