This volume provides readers with the latest information on the advances made in the field of rhodopsins. The chapters in this book cover topics such as new discoveries and developments; new ways to search for rhodopsins; methods to characterize the function and structure of rhodopsins on a molecular level; nano volume high throughput in meso crystallization, and fourth generation x-ray synchrotron sources. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Cutting-edge and thorough, Rhodopsin: Methods and Protocols is a valuable resource for any scientist and researcher interested in learning more about this developing field.