Philipp, M Influence of Leaving-Group Electronic Effect on alpha-Chymotrypsin: Catalytic Constants of Specific Substrates. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Feb 1973 - 517-20 p. digital Publication Type: Journal Article ISSN: 0027-8424 Standard No.: 10.1073/pnas.70.2.517 doi