ribosome@gentoo.org Olivier Fisette sci-biology TRANSFAC® is a database of eukaryotic transcription factors, of their genomic binding sites and DNA-binding profiles. TRANSFAC 3.2 is an old public version available at the European Bioinformatics Institute. TRANSFAC® is currently maintained by the BIOBASE company. Altough they offer public access to a more recent version of the database, they offer no free downloadable version.