5CD4:
reference: Mechanism of CRISPR-RNA guided recognition of DNA targets in Escherichia coli., van Erp PB, Jackson RN, Carter J, Golden SM, Bailey S, Wiedenheft B, Nucleic Acids Res. 2015 Aug 3. pii: gkv793. PMID: 26243775

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).