6F3F:
reference: A switch in nucleotide affinity governs activation of the Src and Tec family kinases., von Raussendorf F, de Ruiter A, Leonard TA, Sci Rep. 2017 Dec 12;7(1):17405. doi: 10.1038/s41598-017-17703-5. PMID: 29234112

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