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User Survey

We would like to ask for 5 minutes of your time to help the Allele Frequency Net Database team to better understand its value to the community and the requirements of our users.
This may enable us identify worthwhile developments, for which we would hope to secure funding. We may also use the findings as part of an impact case study for an assessment of research in UK Higher Education Institutions, Research Excellence Framework (REF2021).

We would be very grateful if you would complete the survey online at:

Many thanks from the team at AFND.


The Allele Frequency Net Database (AFND) provides the scientific community with a freely available repository for the storage of immune gene frequencies in different sworldwide populations. Users can contribute the results of their work into one common database and can perform database searches on information already available. We have currently collected data in allele, haplotype and genotype format. However, the success of this website will depend on you to contribute your data.

Does any of this interest you?

How good are the data sets in AFND?

We have classified HLA data sets into "Gold-Silver-Bronze" standards. If you wish to see how many populations are classified as Gold, click here. map

Please cite this website using our last publication: Allele frequency net 2015 update: new features for HLA epitopes, KIR and disease and HLA adverse drug reaction associations. Gonzalez-Galarza FF, Takeshita LY, Santos EJ, Kempson F, Maia MH, Silva AL, Silva AL, Ghattaoraya GS, Alfirevic A, Jones AR and Middleton D Nucleic Acid Research 2015, 28, D784-8. [Full Text]
We recommend you to also cite the original publication report of the data in your references.

Database information

Polymorphic Region Population Studies Gene/Allele Data Haplotype Data Genotype Data
HLA12391224605 -
KIR292291 - 191
Cytokine124124 - -
MIC646423 -
Totals 1,719 1,703 628 191

The current number of frequencies stored in our database is: 141,646 (HLA), 6,716 (KIR), 4,226 (Cytokine) and 877 (MIC) from 10,688,622 individuals.

We have updated the website with the new IMGT/HLA nomenclature guidelines.
IMGT/HLA last Update: 3.37.0, 10 July, 2019. | IPD-KIR last Update: 2.6.0, 17 February, 2015.


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