Hi Arne et al., Today there is a glut of messages that had been held up in our system over the last several days. Apologies, and now that we know the problem, it should not recur. Those who wish to unsubscribe can do so at <http://plato.cgl.ucsf.edu/mailman/listinfo/chimera-users> Best, Elaine ---------- Elaine C. Meng, Ph.D. UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab Department of Pharmaceutical Chemistry University of California, San Francisco