Oops, I forgot: the chimera version is 2172 for Xp. Boaz -- Boaz Shaanan, Ph.D. Associate Prof. Dept. of Life Sciences Ben-Gurion University of the Negev Beer-Sheva 84105 Israel E-mail:bshaanan@bgu.ac.il Phone:972-8-647-2220 Fax: 972-8-647-2992/646-1710