Institution: | 1. Biochemistry Department, Rothamsted Experimental Station, Harpenden, Herts. AL5 2JQ, England;2. Food Proteins Research Unit, Western Regional Research Centre, ARS United States Department of Agriculture, Berkeley, CA 94710, USA;3. Departamento de Bioquimica, E.T.S. Ingenieras Agronomes, Madrids, Spain |