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*49:01:01

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

Population Phenotype
Frequency (%)
Allele
Frequency
(in_decimals)
Sample
Size
IMGT/HLA¹
Database
Distribution² Haplotype³
Association
Notesª
ESPSpain, Canary Islands, Gran canaria island11.20.0558215See
SAUSaudi Arabia pop 57.00.0443158See
ZAFSouth African Mixed ancestry6.00.030050See
LBYLibya Cyrenaica0.0250118See
SAUSaudi Arabia pop 6 (G)0.024828927See
USAUSA Italy Ancestry0.0200273See
USAUSA San Francisco Caucasian0.0160220See
CRICosta Rica Amerindians (G)3.20.0160125See
ENGEngland Blood Donors of Mixed Ethnicity2.90.0145519See
CRICosta Rica Guanacaste Mestizo (G)2.80.0140110See
CRICosta Rica Central Valley Mestizo (G)2.80.0140221See
MEXMexico Hidalgo Mezquital Valley/ Otomi2.80.013972See
POLPoland BMR2.60.013423595See
NICNicaragua Mestizo (G)2.60.0130155See
USAUSA Spain Ancestry0.0110279See
ZAFSouth African Black1.40.0070142See
INDIndia Karnataka Kannada Speaking1.10.0060174See
CRICosta Rica African -Caribbean (G)1.00.0050102See
INDIndia Kerala Malayalam speaking0.60.0030356See
INDIndia Andhra Pradesh Telugu Speaking0.50.0027186See
USAUSA Arizona Gila River Pima0.00023000See
HKGHong Kong Chinese HKBMDR HLA 11 loci0.00.00015266See

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


Allele  Number of Populations 
  B*49386 
  B*49:01244 

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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