2069bp deletion within mus301 that removes part of exon 1, and all of exons 2-4. Generated by imprecise excision of P{SUPor-P}mus301KG09098, 494bp of the original insertion remains at the deletion site.
Inferred boundaries of a 2069bp deletion resulting from the imprecise excision of P{SUPor-P}mus301KG09098 that removes part of exon 1, and all of exons 2-4 of mus301. 494bp of the original insertion remains at the deletion site.