| 2P2L: reference: A Rac1-GDP trimer complex binds zinc with tetrahedral and octahedral coordination, displacing magnesium., Prehna G, Stebbins CE, Acta Crystallogr D Biol Crystallogr. 2007 May;63(Pt 5):628-35. Epub 2007, Apr 21. PMID: 17452788 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).