| 2YIQ: reference: X-ray structures of checkpoint kinase 2 in complex with inhibitors that target its gatekeeper-dependent hydrophobic pocket., Lountos GT, Jobson AG, Tropea JE, Self CR, Zhang G, Pommier Y, Shoemaker RH, Waugh DS, FEBS Lett. 2011 Oct 20;585(20):3245-9. Epub 2011 Sep 7. PMID: 21907711 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).