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  • fghd
    Junior Member
    • Aug 2013
    • 7

    #1

    DNA strands coding in fasta file

    Hi,

    my question is:

    how two strands of a DNA molecule are coded in a chromosome file in fasta format. Are each line coded each strands or first half of the file codes one strands and the other half codes the second strands?

    Thanks
  • apredeus
    Senior Member
    • Jul 2012
    • 151

    #2
    It's not there at all, it's just the plus strand. The minus is complementary, so there's no need to make the fasta files twice as long

    Comment

    • fghd
      Junior Member
      • Aug 2013
      • 7

      #3
      Thanks for your response.

      So, chromosome fasta file includes a single strands of DNA?

      Comment

      • GenoMax
        Senior Member
        • Feb 2008
        • 7142

        #4
        Originally posted by fghd View Post
        So, chromosome fasta file includes a single strands of DNA?
        Any fasta format DNA/RNA sequence file will include only one strand (normally top strand in the 5' --> 3') orientation. You can infer the sequence for the other strand based on this information.
        Last edited by GenoMax; 08-13-2013, 10:38 AM.

        Comment

        • apredeus
          Senior Member
          • Jul 2012
          • 151

          #5
          yes, at least the ones I have seen.

          Comment

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