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: 
   

A*02:02:01

 
Allele reported 9 time(s) and present in 9 population(s).

Population Phenotype
Frequency (%)
Allele
Frequency
(in_decimals)
Sample
Size
IMGT/HLA¹
Database
Distribution² Haplotype³
Association
Notesª
BRABrazil Barra Mansa Rio State Black0.034273See
ZAFSouth African Black5.60.0282142See
BRABrazil Rio de Janeiro Parda0.0176170See
BRABrazil Rio de Janeiro Black0.014768See
SAUSaudi Arabia pop 6 (G)0.011028927See
BRABrazil Rio de Janeiro Caucasian0.0096521See
BRABrazil Barra Mansa Rio State Caucasian0.0074405See
ESPSpain, Canary Islands, Gran canaria island1.40.0069215See
RUSRussia Nizhny Novgorod, Russians0.30.00131510See

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


Allele  Number of Populations 
  A*02440 
  A*02:02209 

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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