Enpp1^asj-2J

This alelle is a spontaneous deletion of 40,035 bp extending from intron 1, 2,376 bp upstream of exon 2, to the 3 prime untranslated region, 199 bp downstream of the stop codon in exon 25, with an insertion into this deletion site of a 74 bp fragment derived from the 3 prime UTR of this gene (J:215824)