Insertion of "T2A-Gal4-STOP-3P3-RFP", containing the GAL4 coding sequence and a 3P3-RFP marker flanked by loxP sites, into CG11236 in-frame. (Region 2L:6804256..6804630 (FB2018_02) has been replaced.) This results in GAL4 being expressed under the control of CG11236 regulatory sequences, with the CG11236 coding region intact.