6F76:
reference: BRET-based RAS biosensors that show a novel small molecule is an inhibitor of RAS-effector protein-protein interactions., Bery N, Cruz-Migoni A, Bataille CJ, Quevedo CE, Tulmin H, Miller A, Russell A, Phillips SE, Carr SB, Rabbitts TH, Elife. 2018 Jul 10;7. pii: 37122. doi: 10.7554/eLife.37122. PMID: 29989546

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