4FGE:
reference: Structural Insights into the Effector - Immunity System Tse1/Tsi1 from Pseudomonas aeruginosa., Benz J, Sendlmeier C, Barends TR, Meinhart A, PLoS One. 2012;7(7):e40453. Epub 2012 Jul 6. PMID: 22792331

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