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  • Mali Salmon
    Member
    • Jul 2008
    • 24

    #1

    MIDs trimming

    Hi All
    I am trying to split multiplexed 454 data using sfffile, and trim the MIDs. The core facility used the same MID sequence in the 5' and 3', but when I run sfffile, it removes only the MID in the 5'.

    For example, the sequence below:
    >G164TNN01B12AF rank=0007978 x=726.0 y=1925.0 length=80
    ACGCTCGACAGAGGCTGCCTCTGATCCCAGCTACTCAGAAGGTTGTAGGTGGGAGACTCAGCTTGCCAGGACGCTCGACA
    contains the MID "ACGCTCGACA" in both ends, but after running sfffile, I get as output the sequence:
    >G164TNN01B12AF length=70 xy=0726_1925 region=1 run=R_2011_05_05_15_47_37_
    GAGGCTGCCTCTGATCCCAGCTACTCAGAAGGTTGTAGGTGGGAGACTCAGCTTGCCAGGACGCTCGACA
    which still contains the MID in its 3'.

    I looked at the "sfffile" command parameters, but couldn't find any parameter that tells the program to search the MID in "both" ends.
    Any ideas how can I trimmed the MID from both ends?
    Thanks
    Mali

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