1RBL:
reference: Structure determination and refinement of ribulose 1,5-bisphosphate carboxylase/oxygenase from Synechococcus PCC6301., Newman J, Branden CI, Jones TA, Acta Crystallogr D Biol Crystallogr. 1993 Nov 1;49(Pt 6):548-60. PMID: 15299492

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