Hi everybody, Does anyone know of a (non-commercial) software that are suitable for modeling DNA/RNA structures. Coot is great, however I am looking something that allows more flexibility Thanks -- Jens J. Birktoft e-mail: [log in to unmask] <[log in to unmask]> slow-mail: 350 Central Park West, Suite 9F, New York, NY 10025 Phone: 212-749-5057