6SBV:
reference: Structural Evidence for Isoform-Selective Allosteric Inhibition of Lactate Dehydrogenase A., Friberg A, Rehwinkel H, Nguyen D, Putter V, Quanz M, Weiske J, Eberspacher U, Heisler I, Langer G, ACS Omega. 2020 May 27;5(22):13034-13041. doi: 10.1021/acsomega.0c00715., eCollection 2020 Jun 9. PMID: 32548488

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