The following information accompanied stocks donated to the Bloomington Stock Center by Ismael Fernández-Hernández, University of Southern California.
P{Tub(FRT.stop) lexA::VP16 }1 is a homozygous and hemizygous viable and fertile, X chromosome insertion.
P{Tub(-FRT) lexA::VP16 }1 is P{Tub(FRT.stop) lexA::VP16 }1 from which the FRT cassette has been removed by FLP.