4JD2:
reference: Structural basis for regulation of Arp2/3 complex by GMF., Luan Q, Nolen BJ, Nat Struct Mol Biol. 2013 Jul 28. doi: 10.1038/nsmb.2628. PMID: 23893131

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