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*42:01:01
Allele reported 16 time(s) and present in 16 population(s).

Population		Phenotype Frequency (%)	Allele Frequency (in_decimals)		Sample Size	IMGT/HLA¹ Database	Distribution²	Haplotype³ Association	Notesª
	South African Black	14.8	0.0739		142	See
	Costa Rica African -Caribbean (G)	12.8	0.0640		102	See
	Brazil Rio de Janeiro Black		0.0522		68	See
	South African Mixed ancestry	10.0	0.0500		50	See
	Brazil Barra Mansa Rio State Black		0.0479		73	See
	Brazil Rio de Janeiro Parda		0.0147		170	See
	Costa Rica Guanacaste Mestizo (G)	2.8	0.0140		110	See
	Brazil Rio de Janeiro Caucasian		0.0096		521	See
	Brazil Barra Mansa Rio State Caucasian		0.0086		405	See
	Libya Cyrenaica		0.0040		118	See
	Saudi Arabia pop 5	0.6	0.0032		158	See
	Nicaragua Mestizo (G)	0.6	0.0030		155	See
	Costa Rica Central Valley Mestizo (G)	0.4	0.0020		221	See
	USA Arizona Gila River Pima		0.0005		3000	See
	Russia Nizhny Novgorod, Russians	0.1	0.0003		1510	See
	Poland BMR	0.0	0.0002		23595	See

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.