3ORI:
reference: Allosteric activation mechanism of the Mycobacterium tuberculosis receptor Ser/Thr protein kinase, PknB., Lombana TN, Echols N, Good MC, Thomsen ND, Ng HL, Greenstein AE, Falick AM, King DS, Alber T, Structure. 2010 Dec 8;18(12):1667-77. doi: 10.1016/j.str.2010.09.019. PMID: 21134645

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