Figure 1.

Diagram of the mouse BDNF gene using nomenclature from Aid et al. (2007). Numbered exons are shown as white boxes; lines demarcate introns. Grey box indicates the coding exon with attached 3′ UTR (exon IX). Numbers indicate distance from coding region ATG start site. Numbers with asterisks indicate putative AACAAAG motif Sox binding sites within promoter regions (black boxes) of exon 1 and exon 4 used in luciferase expression assays (see Fig. 4). Figure is not drawn to scale.