The third edition of the Handbook of Proteolytic Enzymes is a comprehensive reference work for the enzymes that cleave proteins and peptides, written by acknowledged experts in the field and containing over 850 chapters. Each chapter is organized into sections describing the name and history, activity and specificity, structural chemistry, preparation, biological aspects, and distinguishing features for a specific peptidase. There are also introductory chapters on peptidase classification and mechanisms and a comprehensive index. Handbook of Proteolytic Enzymes work is a must-have for biochemists, biotechnologists, molecular biologists and students in these disciplines, and will be of great interest to pharmaceutical and biotechnology companies.