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*40:01:01

 
Allele reported 26 time(s) and present in 24 population(s).

Population Phenotype
Frequency (%)
Allele
Frequency
(in_decimals)
Sample
Size
IMGT/HLA¹
Database
Distribution² Haplotype³
Association
Notesª
CHNChina Guangdong Province Meizhou Han0.1550100See
USAUSA Spain Ancestry0.1200279See
CANCanada Ojibwa NA-DHS_4 (G)20.00.100016See
CHNChina North Han0.0810105See
CHNChina Jingpo Minority13.60.0680105See
USAUSA Italy Ancestry0.0590273See
CANCanada Cree NA-DHS_3 (G)11.10.055618See
BGRBulgaria Romani0.045013See
USAUSA Eastern European0.0440558See
IDNIndonesia Java pop 20.042036See
IDNIndonesia Sundanese and Javanese0.0350201See
USAUSA San Francisco Caucasian0.0250220See
USAUSA Mexican American Mestizo0.0160553See
INDIndia Karnataka Kannada Speaking2.90.0140174See
CRICosta Rica Central Valley Mestizo (G)2.80.0140221See
LBYLibya Cyrenaica0.0090118See
SAUSaudi Arabia pop 6 (G)0.008328927See
NICNicaragua Mestizo (G)1.40.0070155See
INDIndia Kerala Malayalam speaking1.40.0070356See
CRICosta Rica Guanacaste Mestizo (G)1.00.0050110See
MEXMexico Guadalajara Mestizo pop 20.0050103See
CRICosta Rica African -Caribbean (G)1.00.0050102See
CRICosta Rica Amerindians (G)0.80.0040125See
SAUSaudi Arabia pop 50.60.0032158See
MARMorocco Nador Metalsa pop 20.000073See
KORSouth Korea pop 30.0000485See

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


Allele  Number of Populations 
  B*40332 
  B*40:01378 

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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