Hi to all, i have used these commands: anntable <- aafTableAnn(probeids[1:10], "rat2302.db", anncols) saveHTML(anntable2, "E.Fsub2.html", title = "Example Table without Data2") in order to obtain a list (HTML format) of pathways for any gene: gene01...........pathway01,patway02.,.... gene02...........pathway02,pathway05,..... geneN.............pathway04............. is there the possibility to list by pathway? pathway01................gene02,gene05,gene03 pathway02................gene02,gene06,gene09,...... pathwayN..................gene01,gene05,........... best regards -- ----------------------------------------------------- Dr. Alberto Goldoni Bologna, Italy ----------------------------------------------------- [[alternative HTML version deleted]]