2N1D:
reference: Structural Basis for Multi-specificity of MRG Domains., Xie T, Zmyslowski AM, Zhang Y, Radhakrishnan I, Structure. 2015 Apr 29. pii: S0969-2126(15)00124-0. doi:, 10.1016/j.str.2015.03.020. PMID: 25960410

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