| 1LLD: reference: Molecular basis of allosteric activation of bacterial L-lactate dehydrogenase., Iwata S, Ohta T, J Mol Biol. 1993 Mar 5;230(1):21-7. PMID: 8450537 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).