Affiliation: | (1) Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA Tel.: +1-818-395-8393; Fax: +1-818-584-6785; e-mail: rees@citray.caltech.edu, US;(2) Department of Biological Structure, Box 357420, University of Washington, Seattle, WA 98195-7420, USA, US |