6GPX:
reference: Crystal Structure of CC Chemokine Receptor 2A in Complex with an Orthosteric Antagonist Provides Insights for the Design of Selective Antagonists., Apel AK, Cheng RKY, Tautermann CS, Brauchle M, Huang CY, Pautsch A, Hennig M, Nar H, Schnapp G, Structure. 2018 Nov 12. pii: S0969-2126(18)30388-5. doi:, 10.1016/j.str.2018.10.027. PMID: 30581043

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