2GYS:
reference: An improved resolution structure of the human beta common receptor involved in IL-3, IL-5 and GM-CSF signalling which gives better definition of the high-affinity binding epitope., Carr PD, Conlan F, Ford S, Ollis DL, Young IG, Acta Crystallograph Sect F Struct Biol Cryst Commun. 2006 Jun 1;62(Pt, 6):509-13. Epub 2006 May 31. PMID: 16754968

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