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The various pairings of the alpha and beta chains of DR and DQ are indicated. Pairing numbers will be used to simplify the labeling of figures.
| SLA Allele combination | Pairing |
|---|---|
| DRα*020102 + DRβ1 *0403 | 1 |
| DRα*020102 + DRβ1*1001 | 2 |
| DRα*w04 + DRβ1*0403 | 3 |
| DRα*w04 + DRβ1*1001 | 4 |
| DQα1*0204 + DQβ1*0303 | 5 |
| DQα1*0204 + DQβ2*0601 | 6 |
| DQα1*0101 + DQβ1*0303 | 7 |
| DQα1*0101 + DQβ2*0601 | 8 |
| DRα*020102 + DQβ1*0303 | 9 |
| DRα*w04 + DQβ1*0303 | 10 |
