HLA-DQ3
Within molecular and cell biology, HLA-DQ3 (DQ3) is a broad serotype category with split antigens HLA-DQ7, DQ8, and DQ9. Historically, originally recognized as MB3 a DC4 serotype, DQw3 was one of three early determined antigens recognized as HLA-DQ along with HLA-DQ1 and HLA-DQ2. While the DQ3 molecules are structurally similar in beta chain, the DQ molecules differ markedly in function, even when present with the same DQ alpha subunit. For this reason they are best treated independently.
major histocompatibility complex, class II, DQ3 | |
| Haplotypes | DQA1*0303:DQB1*0301 DQA1*0401:DQB1*0301 DQA1*0505:DQB1*0301 DQA1*0601:DQB1*0301 DQA1*03:DQB1*0302 DQA1*0301:DQB1*0303 |
| Structure (See HLA-DQ) | |
| Identifiers | alpha 1
*0301 *0302 *0303 *0401 *0505 *0601 |
| Symbol(s) | HLA-DQA1 |
| EBI-HLA | DQA1*0301 |
| EBI-HLA | DQA1*0302 |
| EBI-HLA | DQA1*0303 |
| EBI-HLA | DQA1*0401 |
| EBI-HLA | DQA1*0505 |
| Identifiers | beta 1 *0301 *0302 *0303 |
| Symbol(s) | HLA-DQB1 |
| EBI-HLA | DQB1*0301 |
| EBI-HLA | DQB1*0302 |
| EBI-HLA | DQB1*0303 |
| Shared data | |
| Locus | chr.6 6p21.31 |
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