A 2173bp region of the CTCF gene (coordinates 3L:7352322..7358209 , release 6 genome) has been deleted and replaced with a sequence cassette that encodes 1. a loxP cassette that contains a Disc\RFPmCh.Act5C marker, and 2. a single attP site.
genitalia | adult stage (with CTCFC1)
CTCFattP.mCh is partially rescued by CTCFUbi-p63E.PK