Grm1^{Tg(p18A4.B)1352Szc}

The transgene contained a 2 kb segment of human cosmid p18A4 (known as Clone B; abbreviated here as p18A4.B). Line 1352 contains 3 copies of the transgene that insert into intron 3 and result in a 70 kb deletion within intron 3. Western blot analysis confirmed ectopic expression in melanoma tumors. (J:11894, J:83183)