The Mi{PT-HA.FRT.un} entry in FlyBase is used to denote an element generated in vivo by using phiC31:int-mediated recombination to replace the attP cassette of a Mi{MIC} element insertion with a protein trap cassette that contains a splice acceptor site, 3xTag:HA, an FRT site and a splice donor site, but where the intron phase of the protein trap cassette is not known.