4U5J:
reference: c-Src binds to the cancer drug Ruxolitinib with an active conformation., Duan Y, Chen L, Chen Y, Fan XG, PLoS One. 2014 Sep 8;9(9):e106225. doi: 10.1371/journal.pone.0106225. eCollection, 2014. PMID: 25197973

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