4LV7:
reference: Conformational stability of inositol 1,3,4,5,6-pentakisphosphate 2-kinase (IPK1) dictates its substrate selectivity., Gosein V, Miller GJ, J Biol Chem. 2013 Dec 27;288(52):36788-95. doi: 10.1074/jbc.M113.512731. Epub, 2013 Oct 28. PMID: 24165122

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