1QC6:
reference: Structure of EVH1, a novel proline-rich ligand-binding module involved in cytoskeletal dynamics and neural function., Fedorov AA, Fedorov E, Gertler F, Almo SC, Nat Struct Biol 1999 Jul;6(7):661-5. PMID: 10404224

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