4MPA:
reference: New Conformational State of NHERF1-CXCR2 Signaling Complex Captured by Crystal Lattice Trapping., Jiang Y, Lu G, Trescott LR, Hou Y, Guan X, Wang S, Stamenkovich A, Brunzelle J, Sirinupong N, Li C, Yang Z, PLoS One. 2013 Dec 10;8(12):e81904. doi: 10.1371/journal.pone.0081904. PMID: 24339979

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