5AYV:
reference: Crystal structure of archaeal ketopantoate reductase complexed with coenzyme A and 2-oxopantoate provides structural insights into feedback regulation., Aikawa Y, Nishitani Y, Tomita H, Atomi H, Miki K, Proteins. 2016 Jan 12. doi: 10.1002/prot.24984. PMID: 26757028

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