CRISPR-targeting deedted a 377 bp region in the 3' UTR within exon 6 containing two Hex (AAUAAA) and 2 cytoplasmic polyadenylation elements (CPE) regions. This region is found within the long form transcripts. Lines 30 (Ucp1em1Yshu) and 64 (Ucp1em2Yshu) were generated. (J:266624)