1PK8:
reference: Tetramerization and ATP binding by a protein comprising the A, B, and C domains of rat synapsin I., Brautigam CA, Chelliah Y, Deisenhofer J, J Biol Chem 2004 Mar 19;279(12):11948-56. Epub 2003 Dec 19. PMID: 14688264

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