Allele Frequency Net Database
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Brazil Para State

Polymorphic Region:

Demographic Data

  Ethnic origin:
  Geographic Region: South and Central America
  Latitude: 6º 0' S
  Longitude: 52º 0' W
  Family: Not Known
  Urban/Rural: Urban and Rural

Sample Data

  Sample Size: 5000 ( = 841, A = 841, B = 841, DRB1 = 841)
  Test date: 2022
  Method(s): SSP, SSOP
  Source: Bone Marrow Registry
  Loci typed: A, B, DRB1
  Additional notes: All genotypes have HLA -A, -B and -DRB1 at one field (two-digits). In 2020 and 2021, there were abstracts published on ASHI Annual Meeting 2020, German Conference of Bioinformatics 2020, HEMO PLAY 2020 (, XX

Bibliographic Reference

  Author(s): Dr. Patrícia Jeanne de Souza Mendonça-Mattos
  Publication details: SPR in Human Immunology
  Author's e-mail:

Frequency Data

Allele Frequencies Haplotype Frequencies  Genotype Data
(download csv)
Ambiguity-resolved Genotype Data
(download csv)


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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