The transgene consists of the Cre-SV40 pA together with Frt-Kanamycin cassette-Frt was introduced in exon 2 of the murine Tmem45b gene within BAC clone RP24-249I6. The Kanamycin cassette was removed from the recombinant BAC by Flp-mediated recombination. The pound symbol (#) is used when line is not specified and/or lines are pooled. (J:340699)