The RMCE cassette in Mi{MIC}Dscam1MI07658 has been replaced with a tdEGFP tag (derived from the attB1-2-PT-SA-SD-2-tdEGFP plasmid). The insertion is in an intron between Dscam1 exons 23 and 24 and thus the tag is predicted to be incorporated into the protein product of all Dscam1 isoforms.