3QDK:
reference: Structural insight into mechanism and diverse substrate selection strategy of L-ribulokinase., Agarwal R, Burley SK, Swaminathan S, Proteins. 2012 Jan;80(1):261-8. doi: 10.1002/prot.23202. Epub 2011 Nov 9. PMID: 22072612

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