The RMCE cassette of the TI{CRIMIC.TG4.1}CG4630CR00908-TG4.1 insertion has been replaced with a TI{FFL.1} cassette that is in gene-trap (GT) orientation relative to CG4630. This is expected to truncate the CG4630 protein and to result in the expression of a separate mCherry protein under the control of endogenous CG4630 regulatory sequences.