Below is the nucleotide sequence of the deleted region found in the Rab8U1 mutant: GAGAGGAAGTCAGTCAGTTGATTAAGGAGACGACGACGTGTACAGAGCATCATCACCCTT AACCCGTACCCTAACCCCCAGCTAAGCACTATTATCGGGCCAGATACTGT GATCCTACCGCAAAAGCACACAAAATGGCCAAAACCTACGACTATCTGTT CAAACTGCTCCTGATCGGTGACTCCGGAGTGGGCAAGACCTGCATCCTCT TCCGATTCTCTGAGGACGCCTTCAACACAACGTTTATATCCACAATAG