1KVK:
reference: The structure of a binary complex between a mammalian mevalonate kinase and ATP: insights into the reaction mechanism and human inherited disease., Fu Z, Wang M, Potter D, Miziorko HM, Kim JJ, J Biol Chem 2002 May 17;277(20):18134-42. PMID: 11877411

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