5JRC:
reference: Structural basis for single-stranded RNA recognition and cleavage by C3PO., Zhang J, Liu H, Yao Q, Yu X, Chen Y, Cui R, Wu B, Zheng L, Zuo J, Huang Z, Ma J, Gan J, Nucleic Acids Res. 2016 Sep 4. pii: gkw776. PMID: 27596600

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