Is anyone familiar with the methods used to isolate the original STE mutants in yeast? Could you point me to some methods references? -- Robert J. Lebowitz EMAIL: lebowitz at vax1.mankato.msus.edu Department of Biological Sciences VOX: (507) 389-2540 Mankato State University POB 34 FAX: (507) 389-2788 Mankato MN 56002-8400