Allele Frequencies in World Populations

HLA Database Allele Report

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

   

A*01:01:01

Allele reported 23 time(s) and present in 22 population(s).

Population Phenotype
Frequency (%)
Allele
Frequency
(in_decimals)
Sample
Size
IMGT/HLA¹
Database
Distribution² Haplotype³
Association
Notesª
ENGEngland Blood Donors of Mixed Ethnicity37.40.2062519See
ZAFSouth Africa Caucasians0.2000102See
USAUSA San Francisco Caucasian0.1600220See
USAUSA Eastern European0.1420558See
MARMorocco Nador Metalsa pop 20.137073See
ZAFSouth African Indian population24.00.130050See
MARMorocco Atlantic Coast Chaouya0.128098See
MARMorocco Settat Chaouya25.60.128098See
ZAFSouth African Mixed ancestry24.00.120050See
MNGMongolia Buryat0.1140141See
BGRBulgaria0.073055See
CHNChina North Han0.0710105See
MEXMexico Guadalajara Mestizo pop 20.0680103See
PRTMadeira0.0590185See
CPVCape Verde Northwestern Islands0.048062See
CPVCape Verde Southeastern Islands0.048062See
GNBGuinea Bissau0.046065See
USAUSA African American pop 30.0440564See
CHNChina Tibet Region Tibetan0.0220158See
ZAFSouth Africa Black0.0200200See
IRNIran Baloch0.0170100See
JPNJapan Okinawa Ryukyuan0.0040143See
KORSouth Korea pop 30.0000485See

See also higher resolution data of this allele


Allele  Number of Populations 
 A*01:01:01:01 

* This list corresponds to those alleles that have been reported in AFND only (i.e. only positive findings).


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 2015 update: new features for HLA epitopes, KIR and disease and HLA adverse drug reaction associations.
Gonzalez-Galarza FF, Takeshita LY, Santos EJ, Kempson F, Maia MH, Silva AL, Silva AL, Ghattaoraya GS, Alfirevic A, Jones AR and Middleton D Nucleic Acid Research 2015, 39, 28, D784-8.
Liverpool, U.K.

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