4GZN:
reference: An atomic model of Zfp57 recognition of CpG methylation within a specific DNA sequence., Liu Y, Toh H, Sasaki H, Zhang X, Cheng X, Genes Dev. 2012 Nov 1;26(21):2374-9. doi: 10.1101/gad.202200.112. Epub 2012 Oct, 11. PMID: 23059534

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