HLA-B18
HLA-B serotype
From Wikipedia, the free encyclopedia
HLA-B18 (B18) is an HLA-B serotype. The serotype identifies the more common HLA-B*18 gene products.[1] (For terminology help see: HLA-serotype tutorial) B*1801, the most common allele is at highest frequencies in Northern Italy and the Balkans, a peak frequency distribution it shares with B*3501.
major histocompatibility complex (human), class I, B18 | ||
| Alleles | B*1801 | |
| Alleles | B*1802 | |
| Alleles | B*1803 | |
| Structure (See HLA-B) | ||
| Symbol(s) | HLA-B | |
| EBI-HLA | B*1801 | |
| EBI-HLA | B*1802 | |
| EBI-HLA | B*1803 | |
| Locus | chr.6 6p21.31 | |
Serotype
Allele frequencies
| freq | ||
| ref. | Population | (%) |
| [4] | Italy North pop 1 | 16.7 |
| [4] | Croatia | 11.3 |
| [4] | Georgia Svaneti Svans | 11.3 |
| [4] | Romanian | 11.3 |
| [4] | Portugal South | 11.2 |
| [4] | Singapore Riau Malay | 9.9 |
| [4] | Bulgaria | 9.1 |
| [4] | Israel Arab Druse | 8.5 |
| [4] | Azores Central Islands | 8.0 |
| [4] | Portugal Centre | 8.0 |
| [4] | Finland | 7.8 |
| [4] | Azores Santa Maria and Sao Miguel | 7.7 |
| [4] | Czech Republic | 7.5 |
| [4] | India Jalpaiguri Toto | 7.5 |
| [4] | Iran Baloch | 7.1 |
| [4] | Philippines Ivatan | 7.0 |
| [4] | Thailand | 6.7 |
| [4] | Tunisia | 6.7 |
| [4] | Portugal North | 6.5 |
| [4] | Zimbabwe Harare Shona | 6.4 |
| [4] | Madeira | 6.2 |
| [4] | Mexico Mestizos | 6.1 |
| [4] | Kenya | 5.9 |
| [4] | Belgium | 5.1 |
| [4] | Morocco Nador Metalsa Class I | 5.1 |
| [4] | Singapore Javanese Indonesians | 5.1 |
| [4] | Israel Ashkenazi and Non Ashkenazi Jews | 5.0 |
| [4] | Uganda Kampala | 5.0 |
| [4] | Kenya Nandi | 4.8 |
| [4] | Oman | 4.7 |
| [4] | Georgia Tbilisi Georgians | 4.6 |
| [4] | Bulgaria Gipsy | 4.5 |
| [4] | France South East | 4.3 |
| [4] | Kenya Luo | 4.3 |
| [4] | Ireland South | 4.2 |
| [4] | Russia Arkhangelsk Pomors | 4.0 |
| [4] | Azores Terceira Island | 3.9 |
| [4] | Guinea Bissau | 3.8 |
| [4] | India New Delhi | 3.8 |
| [4] | Spain Eastern Andalusia Gipsy | 3.5 |
| [4] | Australia New South Wales | 3.4 |
| [4] | Georgia Tbilisi Kurds | 3.4 |
| [4] | Zambia Lusaka | 3.4 |
| [4] | Cameroon Yaounde | 2.7 |
| [4] | Senegal Niokholo Mandenka | 2.7 |
| [4] | Cameroon Beti | 2.3 |
| [4] | Ivory Coast Akan Adiopodoume | 2.3 |
| [4] | Sudanese | 2.3 |
| [4] | Saudi Arabia Guraiat and Hail | 2.2 |
| [4] | South African Natal Zulu | 2.0 |
| [4] | Thailand | 2.0 |
| [4] | India Mumbai Marathas | 1.9 |
| [4] | New Caledonia | 1.9 |
| [4] | Papua New Guinea Wanigela | 1.5 |
| [4] | Cameroon Bamileke | 1.3 |