2BL2:
reference: Structure of the rotor of the V-Type Na+-ATPase from Enterococcus hirae., Murata T, Yamato I, Kakinuma Y, Leslie AG, Walker JE, Science. 2005 Apr 29;308(5722):654-9. Epub 2005 Mar 31. PMID: 15802565

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