Using stand-alone SDPfox . ... To add a new specificity group, type in the group name and press "Add" . To change composition of specificity groups, select two groups: first, from which to remove sequences, and second, to which to add sequences. ... For a constructed grouping, it is possible to run SDPgroup, re-randomize grouping or move sequences according to the best weights (see algorithm) under the link 'SDPgroup'. ... These sequences are likely to be re-grouped after SDPgroup is performed. ...