4REC: A Nuclease-Dna Complex Form 3
reference: Structural insights into 5' flap DNA unwinding and incision by the human FAN1 dimer., Zhao Q, Xue X, Longerich S, Sung P, Xiong Y, Nat Commun. 2014 Dec 11;5:5726. doi: 10.1038/ncomms6726. PMID: 25500724

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