6MDF:
reference: Structural insight into substrate and product binding in an archaeal mevalonate kinase., Miller BR, Kung Y, PLoS One. 2018 Dec 6;13(12):e0208419. doi: 10.1371/journal.pone.0208419., eCollection 2018. PMID: 30521590

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