Frequently Asked Questions

The database receives a large number of queries, please check to see if the answer to your question is listed below, before contacting the IPD team.

If you can't find the answer to your question listed below, please contact IPD Support.

How can I change the size of the text in the alignments?

Depending on your browser you will need to do the following to change the size of text viewed.

  • In Firefox, Mozilla and Netscape hold 'Ctrl' and press '+' or '-' to change the size of the text.
  • In Internet Explorer 7 you can hold 'Ctrl' and press '+' or '-' to change the size of the text. In Internet Explorer 6 you may need to change the browser's default settings.
    Please follow the instructions below to enable you to resize the text:
    • Select "Tools" from the main menu or press "Alt" and "t"
    • Select "Internet Options" from the "Tools" menu or press "Alt" and "o"
    • Select "Accessibility" from the options screen or press "Alt" and "e"
    • Check the box for "Ignore Font sizes specified in web pages" or press "Alt" and "z"
    • Confirm this selection using "Ok"
    You can now change the text size using the following steps:
    • Select "View" from the main menu or press "Alt" and "v"
    • Select "Text Size" from the "Tools" menu or press "x"
    • Choose the new text size
    Please note that if this does not work it could be because you computer settings cannot be changed due to local IT policy.
  • Safari users need to hold the 'Apple' key and press '+' or '-' in order to change the size of the text.
  • In Opera, press '+' or '-' to change the size of the text.

What is the frequency of a certain allele in the following populations?

The IPD Database does not store allele frequency data. We recommend the following source of data:

  • - describes the frequencies of alleles in different populations, at various polymorphic regions within Histocompatibility and Immunogenetics. Data may be searched under country, region, ethnic origin.

How should I cite the database?

For citations please use:

  • Robinson J, Waller MJ, Stoehr P, Marsh SGE
    IPD-the Immuno Polymorphism Database
    Nucleic Acids Research (2005), 331:D523-526
  • Marsh SGE, Parham P, Dupont B, Geraghty DE, Trowsdale J, Middleton D, Vilches C, Carrington M, Witt C, Guethlein LA, Shilling H, Garcia CA, Hsu KC, Wain H.
    Killer-cell Immunoglobulin-like Receptors (KIR) Nomenclature Report, 2002
    Tissue Antigens (2003) 62:79-86 (Abstract)
    Immunogenetics (2003) 55:220-226 (Abstract)
    Human Immunology (2003) 64:648-654 (Abstract)
    European Journal of Immunogenetics (2003) 30:229-234 (Abstract)
    Journal of Immunological Methods (2003) 281:1-8

Reports problems with a particular tool

If you having trouble with a specific tool, the alignment tool for instance. Please first see if the solution is listed in the help pages provided, if this does not solve the problem contact IPD Support. The e-mail should list the name of the tool, and all the parameters used. For instance if an alignment failed to work then you should include the values used for the Locus, Specific Sequences, Type, Reference, Display, Formatting and "Cut & Paste". This better enables us to replicate and diagnose the problem.

I want the sequences in this particular format?

Please check the FTP directory before asking for sequences in a particular format. The FTP directory contains copies of the database as FASTA, PIR and MSF formatted files. It also contains EMBL-like flat files and copies of the text versions of the alignments.

I am having trouble with the sequencing software from a particular company?

We cannot advise or support external software. If you are experiencing software trouble when sequencing KIR alleles please contact the support line for that particular make of software.


Further Information

For more information about the database, queries (including website) or to subscribe to the IPD mailing lists please contact IPD Support.

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