An 8.9-kb su(s) genomic DNA fragment, which includes sequences from the -973 nucleotide to the +7962 nucleotide, and which bears a Cys350Gly mis-sense mutation in the first zinc finger (ZF1) motif.
su(sable)cZF1 partially rescues su(sable)R39
Addition of su(s)cZF1 to the su(s)R39, vk background nearly restores the low brown eye-pigment levels seen in su(s)[+], vk flies.