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*66:01:01

 
Allele reported 12 time(s) and present in 12 population(s).

Population Phenotype
Frequency (%)
Allele
Frequency
(in_decimals)
Sample
Size
IMGT/HLA¹
Database
Distribution² Haplotype³
Association
Notesª
MEXMexico Hidalgo Mezquital Valley/ Otomi2.80.013972See
CRICosta Rica African -Caribbean (G)2.00.0100102See
ESPSpain, Canary Islands, Gran canaria island1.90.0093215See
CRICosta Rica Guanacaste Mestizo (G)1.80.0090110See
SAUSaudi Arabia pop 6 (G)0.007328927See
POLPoland BMR1.40.007223595See
ZAFSouth African Black1.40.0070142See
NICNicaragua Mestizo (G)1.40.0070155See
CRICosta Rica Central Valley Mestizo (G)1.00.0050221See
CRICosta Rica Amerindians (G)0.80.0040125See
ENGEngland Blood Donors of Mixed Ethnicity0.60.0029519See
HKGHong Kong Chinese HKBMDR HLA 11 loci0.00.00025266See

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


Allele  Number of Populations 
  A*66329 
  A*66:01225 

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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