1RSY:
reference: Structure of the first C2 domain of synaptotagmin I: a novel Ca2+/phospholipid-binding fold., Sutton RB, Davletov BA, Berghuis AM, Sudhof TC, Sprang SR, Cell 1995 Mar 24;80(6):929-38. PMID: 7697723

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