Ptf1a^tm2.1Mgn

This allele expresses citrine under the control of the endogenous promoter. Exons 1 and 2 were replaced by the citrine yellow variant of GFP inserted into exon 1, exon 2 and an frt-flanked hygro cassette via RMCE using the loxed cassette acceptor (LCA) allele-containing ES cells. (J:115271, J:135698)