An 11.6kb genomic fragment including the entire Gef26 coding region, over 2kb of upstream sequence and over 1 kb of downstream sequence.
11628bp genomic fragment which includes the complete PDZ-GEF gene and the C-terminal portion of Ddr. (Sequence coordinates of the fragment are -2331bp to +9297bp relative to the site of the P{EP}PDZ-GEFEP388 insertion).