The following information accompanied stocks donated to the Bloomington Drosophila Stock Center by Roumen Voutev and Richard Mann, Columbia University.
M{vas-NLS-Bxb1-nos3'UTR.RFP-}ZH-2A is identical to M{vas-Bxb1.nos3'UTR.RFP-}ZH-2A except the sequence encoding the SV40 Nuclear Localization Sequence was introduced to increase the frequency of Bxb1-induced recombination and 3xP3-GFP was used as a transformation marker rather than y+.