Merry christmas BioPerl! Can it be that you can't make a tblastn blast report i.e. similar to a blastp report? Regars Anders. Anders Stegmann Ph.d. student Royal Veterinary and Agricultural University Institute of Food Science Section of Food Microbiology Rolighedsvej 30 Building 2-74 Room R074 DK-1958 Frederiksberg C Tlf. +45 35 28 31 58