Allele Frequencies in World Populations

HLA Database Allele Report

The list below shows all populations in AFND that contains the allele. If an allele has an entry with a lower resolution this will be shown at the end.

Allele: 
   

DQA1*02

 
Allele reported 14 time(s) and present in 14 population(s).

Population Phenotype
Frequency (%)
Allele
Frequency
(in_decimals)
Sample
Size
IMGT/HLA¹
Database
Distribution² Haplotype³
Association
Notesª
TTOTrinidad South Asian0.190087See
RUSRussia, South Ural, Chelyabinsk region, Nagaybaks32.10.1610112See
ESPSpain, Castilla y Leon, Northwest,28.10.15961743See
RUSRussia Arkhangelsk Pomor0.130063See
ENGEngland24.10.1287537See
BRABrazil North East Mixed0.1200205See
BRABrazil Sao Paulo Mixed19.40.1020239See
TTOTrinidad African0.090067See
TURTurkey Ankara0.060050See
ARGArgentina Rosario Toba10.50.052086See
MEXMexico Tapachula, Chiapas Mestizo Population5.60.027872See
BRABrazil Guarani Nandeva0.017086See
BRABrazil Guarani M bya0.005093See
BRABrazil Kaingang0.0020235See

Frequency data at lower resolution for this allele can be found in links below


Allele  Number of Populations 

Notes:

* Allele Frequency: Total number of copies of the allele in the population sample (Alleles / 2n) in decimal format.
   Important: This field has been expanded to four decimals to better represent frequencies of large datasets (e.g. where sample size > 1000 individuals)
* Phenotype Frequency: Percentage of individuals who have the allele or gene (Individuals / n).
* Allele Frequencies shown in green were calculated from Phenotype Frequencies assuming Hardy-Weinberg proportions.

¹ IMGT/HLA Database - For more details of the allele.
² Distribution - Graphical distribution of the allele.
³ Haplotype Association - Find HLA haplotypes with this allele.
ª Notes - See notes for ambiguous combinations of alleles.




Allele frequency net database (AFND) 2020 update: gold-standard data classification, open access genotype data and new query tools
Gonzalez-Galarza FF, McCabe A, Santos EJ, Jones J, Takeshita LY, Ortega-Rivera ND, Del Cid-Pavon GM, Ramsbottom K, Ghattaoraya GS, Alfirevic A, Middleton D and Jones AR Nucleic Acid Research 2020, 48:D783-8.
Liverpool, U.K.

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