The following information accompanied stocks donated to the Bloomington Drosophila Stock Center by Gunter Merdes, ETH Zurich.
P{lexA-2xmRFP.nls} is composed of the lexA operator upstream of two mRFP proteins linked by a protein linker containing a nuclear localization signal.
P{lexA-2xmRFP.nls}2 is a homozygous viable insertion on the second chromosome.
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Annette Parks, Ph.D.
Bloomington Drosophila Stock Center
http://flystocks.bio.indiana.edu