Hi I wonder why I cannot find external references to XenBase for Xenopus genes in Ensembl. Did I miss them or is there a reason? Thanks -- Sébastien Moretti Department of Ecology and Evolution, Biophore, University of Lausanne, CH-1015 Lausanne, Switzerland Tel.: +41 (21) 692 4221/4079 http://selectome.unil.ch/ http://bgee.unil.ch/