major histocompatibility complex (human), class I, B49 | ||
| Alleles | B*4901, B*4902, B*4903 | |
| Structure (See HLA-B) | ||
| Symbol(s) | HLA-B | |
| EBI-HLA | B*4901 | |
| B*4902 | ||
| B*4903 | ||
| Locus | chr.6 6p21.31 | |
HLA-B49 (B49) is an HLA-B serotype. B49 is a split antigen from the B21 broad antigen, the sister serotype B50.[1] The serotype identifies the more common HLA-B*50 gene products.[2] (For terminology help see: HLA-serotype tutorial)
| B*49 | B49 | B21 | Sample | |
| allele | % | % | size (N) | |
| 4901 | 94 | 1 | 3002 |
| freq | |||
| ref. | Population | (%) | |
| [4] | Portugal North | 8.7 | |
| Spain Basque Gipuzkoa Province | 6.1 | ||
| Madeira | 5.9 | ||
| Cameroon Yaounde | 5.4 | ||
| Morocco Nador Metalsa (Berber) | 5.1 | ||
| Kenya Nandi | 4.6 | ||
| Sudanese | 4.3 | ||
| Portugal South | 4.1 | ||
| Tunisia Tunis | 4.0 | ||
| India Jalpaiguri Toto | 3.8 | ||
| Senegal Niokholo Mandenka | 3.7 | ||
| Uganda Kampala | 3.7 | ||
| Spain Eastern Andalusia | 3.5 | ||
| Tunisia | 3.5 | ||
| Georgia Tbilisi Kurds | 3.4 | ||
| Spain Catalonia Girona | 3.4 | ||
| Italy North (1) | 3.3 | ||
| Cameroon Beti | 3.2 | ||
| Israel Ashkenazi and Non Ashkenazi Jews | 3.2 | ||
| Guinea Bissau | 3.1 | ||
| France South East | 2.7 | ||
| Israel Arab Druse | 2.5 | ||
| Mali Bandiagara | 2.5 | ||
| Jordan Amman | 2.4 | ||
| Tunisia Ghannouch | 2.4 | ||
| Georgia Tbilisi Georgians | 2.3 | ||
| Saudi Arabia Guraiat and Hail | 2.2 | ||
| Cameroon Bamileke | 1.9 | ||
| Czech Republic | 1.9 | ||
| Georgia Svaneti Svans | 1.9 | ||
| Macedonia (4) | 1.9 | ||
| Bulgaria | 1.8 | ||
| Romanian | 1.6 | ||
| Italy Bergamo | 1.1 | ||
| Zambia Lusaka | 1.1 | ||
| Belgium | 1.0 | ||
| China North Han | 1.0 | ||
| India Andhra Pradesh Golla | 1.0 | ||
| Ireland Northern | 1.0 | ||
| South African Natal Zulu | 1.0 |