Dear all, Is there any way to use 8 fold screw helical symmetry on relion_particles_symmetry_expand command? Any suggestions and comment is highly welcome. With kind regards, Jay Rai -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.ncmir.ucsd.edu/pipermail/3dem/attachments/20200804/343b4653/attachment.html>