| 5H9F: Crystal Structure Of E. Coli Cascade Bound To A Pam-Containi Target At 2.45 Angstrom Resolution. reference: Structural basis for promiscuous PAM recognition in type I-E Cascade from E. coli., Hayes RP, Xiao Y, Ding F, van Erp PB, Rajashankar K, Bailey S, Wiedenheft B, Ke A, Nature. 2016 Feb 25;530(7591):499-503. doi: 10.1038/nature16995. Epub 2016 Feb, 10. PMID: 26863189 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).