6D38:
reference: Optical control of cell signaling by single-chain photoswitchable kinases., Zhou XX, Fan LZ, Li P, Shen K, Lin MZ, Science. 2017 Feb 24;355(6327):836-842. doi: 10.1126/science.aah3605. PMID: 28232577

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