5DS5: Crystal Structure The Escherichia Coli Cas1-Cas2 Complex Bou Protospacer Dna And Mg
reference: Foreign DNA capture during CRISPR-Cas adaptive immunity., Nunez JK, Harrington LB, Kranzusch PJ, Engelman AN, Doudna JA, Nature. 2015 Nov 26;527(7579):535-8. doi: 10.1038/nature15760. Epub 2015 Oct 21. PMID: 26503043

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