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  • bair
    started a topic NCBI SRA database

    NCBI SRA database

    Hello,

    Is someone familay with NCBI SRA database: http://www.ncbi.nlm.nih.gov/sites/entrez

    searching SRA for SRP000607 about Korean genome study, got 5 experiments,

    What's the relation about experiment, runs and spots?

    These 5 experiment sampled from the same person, all supposed to have paired reads, but SRX002757 does not have paired data.

    Under SRX002761, the reads files are strange to me, like:

    06/11/2009 12:00AM 239 SRR016027.fastq.gz
    06/11/2009 12:00AM 788,821,597 SRR016027_1.fastq.gz
    06/11/2009 12:00AM 797,621,364 SRR016027_2.fastq.gz
    06/11/2009 12:00AM 22,470 SRR016028.fastq.gz
    06/11/2009 12:00AM 809,891,610 SRR016028_1.fastq.gz
    06/11/2009 12:00AM 810,659,524 SRR016028_2.fastq.gz

    SRR016027_1.fastq.gz mates to SRR016027_2.fastq.gz, how about SRR016027.fastq.gz?

    I want to play with this datasets, can I just use all the paired files in these 5 experiments and ignore the unpaired files like SRR016027.fastq.gz?

    Lots experts here, any help will be appriciated!

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