Imprecise excision of the P{EP}CG12974EP756 insertion, resulting in an 800bp deletion that remove the transcription start site and 143bp of the 5' UTR of Z4 and also part of the CG12974 transcription unit.
If no genes are listed here, it may be because the affected region is very large.
The JBrowse insert above may show an error for the same reason,
and other FlyBase tools such as CytoSearch may also fail for large regions.
You can contact FlyBase for more help.
In these cases, there will be no "Export to Hitlist" button to the left.