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*04:02

 
Allele reported 18 time(s) and present in 7 population(s).

Population Phenotype
Frequency (%)
Allele
Frequency
(in_decimals)
Sample
Size
IMGT/HLA¹
Database
Distribution² Haplotype³
Association
Notesª
INDIndia Northeast Mech0.135063See
ECUEcuador African pop20.044445See
ECUEcuador Cayapa pop 20.014734See
INDIndia Northeast Lachung0.008058See
CZECzech Republic pop 31.10.0060180See
INDIndia Northeast Kayastha0.0050190See
USAUSA San Diego0.30.0010496See
INDIndia Northeast Rajbanshi0.000098See
KORSouth Korea pop 50.0000467See
MARMorocco Settat Chaouya0.00.000098See
NLDNetherlands pop 20.00.0000155See
INDIndia Northeast Mathur0.0000155See
INDIndia Northeast Rastogi0.0000196See
INDIndia Northeast Vaish0.0000198See
INDIndia Northeast Shia0.0000190See
INDIndia Northeast Sunni0.0000188See
ENGEngland pop 20.0000114See
INDIndia North pop 20.000072See

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


Allele  Number of Populations 
  DQA1*0418 

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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