Repeat unit CAG/CTG repeats 5 times in the reference sequence.
...CCTGCAGATGTCCCCATGGAGGTCGGGCCGCACTGTTCCTGAGCTGCGGTTCAGTAGAGCTGGGCCAGGCAACGTCCTGCCTTTGGGAGCTTGCCCTCTG
CTTGGGAGAGTTGAACAAACAGCAGCAGCAGAAGACTGTCCAGGGGCTCGTGGCCCCCGGAAACGAGGCCAGGTGATGTGGGGAGTGCCCGACGCTCAGA
GGGAGCCAGGGCAGGTGTTGGGACACAGCCCAGGGCCTGGGGCAGCTGGGTGTC...