Motif distribution in alpha-defensin promoters. The boxes represent the ab initio search-identitied motifs. The numbers (i.e. 13) and colors refer to the different motifs. The black line connecting the boxes denotes the 1200 nt promoter region. The TSS is indicated by an arrow. The graphical representation of the motifs is not drawn to scale. The species abbreviations are Rano: Rattus norvegicus, Mumu: Mus musculus; Patr: Pan troglodytes; Hosa: Homo sapiens.