Df(1)spheΔ49 : The deletion starts 973nt before the start site of the sphe gene (45nt before the end of CG9673); the sequence at the junction is TTTATTT/TTTTATACA. The deletion ends 1807nt after the start site of the sphe gene (32nt after the start site of CG9676); the sequence at the junction is CCAGTC/ATGTTA. spheΔ104 : The deletion starts 787nt before the start site of the sphe gene; the sequence at the junction is ATTACCTTG/AAACCTGT. The deletion ends 468nt after the start site of the sphe gene; the sequence at the junction is CCATTATAT/ACAATA.