hi, the geometry_regularization option is gone from pdbtools in 1.8.4-1496 it looks like it works in 1.8.1, is that version ok to use ? thanks jpd -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://phenix-online.org/pipermail/phenixbb/attachments/20140415/ff7b8cb7/attachment.htm>