The Springer Handbook of Enzymes provides concise data on 4,457 enzymes - and here is the second, updated edition. The enzymes are sufficiently well characterized for application in analytical, synthetic and biotechnology processes as well as in food industry. Data sheets are arranged in their EC-Number sequence. The new edition reflects considerable progress in enzymology: the total material has more than doubled, and the complete 2nd edition consists of 39 volumes plus synonym index.