This volume provides readers with a comprehensive look at the latest techniques used to identify and characterize PDZ-mediated interactions. Chapters cover topics such as promiscuity, multimodularity, regulation, and viral recognition by PDZ domains. 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, PDZ Mediated Interactions: Methods and Protocols is a valuable resource for all researchers interested in learning more about this developing field.