... Help . ... Download SDPfox . SDPfox provides a novel phylogeny-independent method for prediction of specificity-determining positions (SDPs) and grouping sequences into functional sub-groups. You may use the form below to conduct a training set-driven analysis (i.e. predict protein specificity based on a set of known specificities) or download a JAR package that allows for ab initio specificity prediction. ... To get help, run java -jar SDPfox.jar. ...