This volume in the highly regarded Practical Approach Series from IRL Press concentrates on the most common aspects of protein function. It offers a collection of methods that specifically demonstrate the detailed analyses of proteins that can be carried out without highly specialized equipment. Using these protocols, researchers will be able to obtain a great deal of information about the functional properties of any protein. The book includes techniques which are some of the most recent and efficient yet devised. A companion volume, Protein Structure, is also available.