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: 
   

B*27:02:01

 
Allele reported 13 time(s) and present in 13 population(s).

Population Phenotype
Frequency (%)
Allele
Frequency
(in_decimals)
Sample
Size
IMGT/HLA¹
Database
Distribution² Haplotype³
Association
Notesª
RUSRussia Belgorod region3.90.0196153See
POLPoland BMR3.60.018123595See
RUSRussia Nizhny Novgorod, Russians2.80.01391510See
BRABrazil Rio de Janeiro Parda0.0059170See
RUSRussia Bashkortostan, Tatars1.00.0052192See
RUSRussian Federation Vologda Region0.80.0042119See
BRABrazil Barra Mansa Rio State Caucasian0.0037405See
INDIndia Karnataka Kannada Speaking0.60.0030174See
NICNicaragua Mestizo (G)0.60.0030155See
ESPSpain, Canary Islands, Gran canaria island0.50.0023215See
BRABrazil Rio de Janeiro Caucasian0.0019521See
ENGEngland Blood Donors of Mixed Ethnicity0.20.0010519See
CHNChina Zhejiang Han0.00061734See

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


Allele  Number of Populations 
  B*27427 
  B*27:02160 

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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