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  • dummyseq
    Member
    • Nov 2012
    • 13

    #1

    Paired end dna seq for illumina

    Why do we add A bases to 3'end post repair after shearing?
  • kcchan
    Senior Member
    • Jul 2012
    • 186

    #2
    The 3' A overhang is necessary for adapter ligation. The forked adapter contains a T overhang, which is used to anneal the adapter to the DNA fragment with the help of DNA ligase.

    Comment

    • SequencingWhore69
      Junior Member
      • Mar 2013
      • 4

      #3
      Originally posted by kcchan View Post
      The 3' A overhang is necessary for adapter ligation. The forked adapter contains a T overhang, which is used to anneal the adapter to the DNA fragment with the help of DNA ligase.
      He is correct

      Comment

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