1MAB:
reference: The 2.8-A structure of rat liver F1-ATPase: configuration of a critical intermediate in ATP synthesis/hydrolysis., Bianchet MA, Hullihen J, Pedersen PL, Amzel LM, Proc Natl Acad Sci U S A 1998 Sep 15;95(19):11065-70. PMID: 9736690

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