4GY5:
reference: Structural insight into coordinated recognition of trimethylated histone H3 lysine 9 (H3K9me3) by the plant homeodomain (PHD) and tandem tudor domain (TTD) of UHRF1 (ubiquitin-like, containing PHD and RING finger domains, 1) protein., Cheng J, Yang Y, Fang J, Xiao J, Zhu T, Chen F, Wang P, Li Z, Yang H, Xu Y, J Biol Chem. 2013 Jan 11;288(2):1329-39. doi: 10.1074/jbc.M112.415398. Epub 2012 , Nov 16. PMID: 23161542

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