Muscles in Df(2L)Msp300-3 homozygous larvae show abnormal nuclear positioning where the myonuclei are closer to each other.
Df(2L)Msp-300-3 removes the 3' section of the Msp-300 locus, including the KASH domain, between PBac{WH}f05524 and P{XP}d01768.