> In general how can a single structure be used to improve a multiple > sequence alignment (if at all)? you can align sequences to a structure and have higher penalties for insertions/deletions in regions of secondary structure (since we know they are less likely to occur there). this is what we do in Indonesia (http://xray.bmc.uu.se/dennis) --gerard ****************************************************************** Gerard J. Kleywegt [Research Fellow of the Royal Swedish Academy of Sciences] Dept. of Cell & Molecular Biology University of Uppsala Biomedical Centre Box 596 SE-751 24 Uppsala SWEDEN http://xray.bmc.uu.se/gerard/ mailto:gerard at xray.bmc.uu.se ****************************************************************** The opinions in this message are fictional. Any similarity to actual opinions, living or dead, is purely coincidental. ******************************************************************