G-Protein-Coupled Receptors, Part B, 2nd Edition, Volume 149, the latest release in the Methods in Cell Biology series, continues the legacy of this premier serial with quality chapters authored by leaders in the field. This volume covers Optical Approaches for Visualization of Arrestin Binding to Muscarinic Receptors, Luciferase Reporter Assay for Unlocking Ligand-mediated Signaling of GPCRs, Assays to Measure GPCR Dependent Cellular Migration, Characterization of the Frizzled GPCRs, Binding Assays for Bradykinin and Angiotensin Receptors, Detection of Misfolded Rhodopsin Aggregates in Cells, Measuring GPCR Ubiquitination and Trafficking, Culture of Primary Neurons and its Use in Studying GPCR Trafficking, and much more.