major histocompatibility complex (human), class I, B50 | ||
| Alleles | B*5001, B*5002, | |
| Structure (See HLA-B) | ||
| Symbol(s) | HLA-B | |
| EBI-HLA | B*5001 | |
| B*5002 | ||
| Locus | chr.6 6p21.31 | |
HLA-B50 (B50) is an HLA-B serotype. B50 is a split antigen from the B21 broad antigen, the sister serotype B49. The serotype identifies the more common HLA-B*50 gene products. (For terminology help see: HLA-serotype tutorial)
| B*50 | B50 | B21 | Sample |
| allele | % | % | size (N) |
| 5001 | 85 | 3 | 1700 |
The B*5002 by serotype definition is a B45 serotype.
| freq | ||
| ref. | Population | (%) |
| Saudi Arabia Guraiat and Hail | 17.3 | |
| Tunisia | 10.0 | |
| Israel Arab Druse | 8.5 | |
| Morocco Nador Metalsa (Berber) | 7.3 | |
| Tunisia Tunis | 6.3 | |
| Israel Ashkenazi and Non Ashkenazi Jews | 5.5 | |
| Azores Terceira Island | 5.1 | |
| Georgia Svaneti Svans | 3.8 | |
| India North Delhi | 3.8 | |
| Italy Bergamo | 3.6 | |
| Georgia Tbilisi Kurds | 3.4 | |
| Italy North (1) | 3.3 | |
| Brazil Belo Horizonte | 3.2 | |
| Madeira | 3.2 | |
| Italy North Pavia | 3.1 | |
| Portugal South | 3.1 | |
| Oman | 3.0 | |
| Georgia Tbilisi Georgians | 2.8 | |
| Bulgaria | 2.7 | |
| Azores Santa Maria and Sao Miguel | 2.6 | |
| Spain Eastern Andalusia Gipsy | 2.5 | |
| Sudanese | 2.5 | |
| Czech Republic | 2.4 | |
| Spain Eastern Andalusia | 2.4 | |
| Spain Mallorca and Menorca | 2.2 | |
| Burkina Faso Fulani | 2.0 | |
| China Inner Mongolia | 2.0 | |
| China North Han | 1.9 | |
| India North Hindus | 1.9 | |
| China Qinghai Hui | 1.8 | |
| Jordan Amman | 1.7 | |
| Russia Tuva (2) | 1.7 | |
| Spain Catalonia Girona | 1.7 | |
| Senegal Niokholo Mandenka | 1.6 | |
| Guinea Bissau | 1.5 | |
| India New Delhi | 1.5 | |
| Croatia | 1.3 | |
| Cuban Mulatto | 1.2 | |
| France South East | 1.2 | |
| Burkina Faso Rimaibe | 1.1 | |
| Mali Bandiagara | 1.1 | |
| Belgium | 1.0 | |
| Ireland Northern | 1.0 | |
| Ireland South | 1.0 | |
| Italy Sardinia pop3 | 1.0 | |
| South Africa Natal Tamil | 1.0 | |
| B*5002 | ||
| Morocco Nador Metalsa (Berber) | 4.3 | |
| Portugal North | 1.1 | |
| Portugal South | 1.0 | |
| Madeira | 0.8 | |
| Tunisia Tunis | 0.6 | |