This detailed volume examines the latest techniques and protocols associated with zymography, the practice of detecting enzyme activity on electrophoretic gels. Sections cover subjects such as endopeptidase zymography, reverse zymography & in situ zymography, 2D zymography, as well as a variety of special cases. Written in the highly respected Methods in Molecular Biology series format, chapters include brief 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.