Kelly J W
The Skaggs Institute of Chemical Biology and The Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road MB 12, La Jolla, CA 92037, USA.
Proc Natl Acad Sci U S A. 1998 Feb 3;95(3):930-2. doi: 10.1073/pnas.95.3.930.