5ES3:
reference: A Streamlined, Automated Protocol for the Production of Milligram Quantities of Untagged Recombinant Rat Lactate Dehydrogenase A Using AKTAxpressTM., Nowicki MW, Blackburn EA, McNae IW, Wear MA, PLoS One. 2015 Dec 30;10(12):e0146164. doi: 10.1371/journal.pone.0146164., eCollection 2015. PMID: 26717415

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