Imprecise excision of the P{lacW}mtgS084910b insertion, resulting in a deletion of 616bp, including the last 49bp of exon 1 and 567bp of intron 1. Part or all of the original insertion also remains.
616 bp deletion resulting from imprecise excision that removes 49 bases of exon 1 and 567 bases of intron. Position of deletion on reference sequence inferred by FlyBase curator. The first of two alternative spice donors for exon 1 was used for the mapping.