4IXP:
reference: Structural basis for the regulation of maternal embryonic leucine zipper kinase., Cao LS, Wang J, Chen Y, Deng H, Wang ZX, Wu JW, PLoS One. 2013 Jul 26;8(7):e70031. doi: 10.1371/journal.pone.0070031. Print 2013. PMID: 23922895

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