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=== Shifting ===
 
=== Shifting ===
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Consider the motifs ACTT, TACT and TTAC, the following stretches can be observed in the genome
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  GGGGGGACTTACTTACTTACTTACTTAGGGGG
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  GGGGGGTACTTACTTACTTACTTACTTGGGGG
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  GGGGGGTTACTTACTTACTTACTTACTGGGGG
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but looking from the right flank,  they can easily be CTTA, ACTT and TACT respectively.
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The concept of shifting the sequence is useful for grouping such like motifs together.
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We define shift as follow
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  A shift of a sequence is the sliding of the sequence with the alleles wrapped to the front?
    
=== Reverse Complement ===
 
=== Reverse Complement ===
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