The RMCE cassette of the TI{CRIMIC.TG4.1}CG6435CR60027-TG4.1 insertion has been replaced with a TI{FFL.1} cassette that is in gene-trap (GT) orientation relative to CG6435. This is expected to truncate the CG6435 protein and to result in the expression of a separate mCherry protein under the control of endogenous CG6435 regulatory sequences.