sentence: Again these were dissimilar to the native c-kit87 sequence.A search for occurrences of the mutated c-kit sequences used in the initial study ( 26 ) ( none of which form a stable quadruplex structure ) , found no hits for two of the sequences examined , ( AGGGAGGGCGCTGGGCGCTGGG and AGGGAGGGCGCTGGGCGGCGGG ) .