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  • DBSNP - Accessing through script

    Hi all,
    I'm trying to create a Python script that would query DBSNP automatically using rs identifiers.
    Is there a Python / Linux bash command to query DBSNP? If not, how can I still send a query through a script?

    Thanks a lot,
    Amit

  • #2
    If you're querying only a few (or a few thousand), then you can use Entrez utilities:

    Please see the E-utilities Introduction video for a brief introduction.


    If a task requires searching for and/or downloading a large number of records, it is much more efficient to use the Entrez History to upload and/or retrieve these records in batches rather than using separate requests for each record. Please refer to Application 3 in Chapter 3 for an example. Many thousands of IDs can be uploaded using a single EPost request, and several hundred records can be downloaded using one EFetch request.
    For larger queries, you're probably better off creating a local instance of the dbSNP database:

    ftp://ftp.ncbi.nih.gov/snp/database/...ocal_dbSNP.txt

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