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: 
   

C*04:01:01

 
Allele reported 37 time(s) and present in 37 population(s).

Population Phenotype
Frequency (%)
Allele
Frequency
(in_decimals)
Sample
Size
IMGT/HLA¹
Database
Distribution² Haplotype³
Association
Notesª
MEXMexico Hidalgo Mezquital Valley/ Otomi38.90.256972See
CRICosta Rica African -Caribbean (G)43.10.2350102See
CRICosta Rica Guanacaste Mestizo (G)36.50.2050110See
CRICosta Rica Central Valley Mestizo (G)33.00.1740221See
RUSRussian Federation Vologda Region31.10.1681119See
BRABrazil Rio de Janeiro Black0.166768See
BRABrazil Rio de Janeiro Parda0.1667170See
BRABrazil Barra Mansa Rio State Caucasian0.1612405See
NICNicaragua Mestizo (G)27.00.1610155See
BRABrazil Barra Mansa Rio State Black0.157173See
ESPSpain, Canary Islands, Gran canaria island26.00.1535215See
USAUSA Mexican American Mestizo0.1520553See
RUSRussia Bashkortostan, Tatars26.60.1458192See
ZAFSouth African Black26.80.1409142See
CRICosta Rica Amerindians (G)27.80.1390125See
RUSRussia Belgorod region25.50.1340153See
BRABrazil Rio de Janeiro Caucasian0.1332521See
INDIndia Kerala Malayalam speaking24.40.1290356See
KENKenya0.1290144See
SAUSaudi Arabia pop 6 (G)0.121528927See
MARMorocco Settat Chaouya24.20.121098See
MARMorocco Atlantic Coast Chaouya0.121098See
USAUSA Arizona Gila River Pima0.12083000See
POLPoland BMR23.10.119623595See
RUSRussia Nizhny Novgorod, Russians22.40.11921510See
INDIndia Karnataka Kannada Speaking22.40.1150174See
USAUSA San Francisco Caucasian0.1020220See
INDIndia Andhra Pradesh Telugu Speaking18.30.0995186See
ZAFSouth African Indian population16.00.090050See
ZAFSouth African Mixed ancestry18.00.090050See
ENGEngland Blood Donors of Mixed Ethnicity16.80.0857519See
RUSRussia Bashkortostan, Bashkirs12.50.0625120See
VNMVietnam Kinh10.00.0495101See
CHNChina Zhejiang Han0.04441734See
HKGHong Kong Chinese HKBMDR HLA 11 loci7.70.04015266See
CHNChina Jingpo Minority1.90.0100105See
INDIndia New Delhi0.009071See

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


Allele  Number of Populations 

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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