Allele classification | Amino acid sequence positions 70 to 74 | HLA-DRB1 alleles |
---|---|---|
S1 | D-E-RAA | *01:03, *04:02, *11:02-:03, *13:01-:02, *13:04, *13:36, *13:40 |
 | Q-A-RAA | *15 |
S2 | Q-K-RAA | *04:01, *04:09, *04:13, *04:35, *04:66 |
 | D-K-RAA | *13:03 |
S3D | D-R-RAA | *11:01, *11:04, *11:27, *12, *13:05-:06, *13:25, *14:22, *16 |
S3P | Q-R-RAA | *01:01-:02, *04:04-:05, *04:08, *04:10 |
 | R-R-RAA | *10:01 |
X | Q-K-RGR | *03 |
 | Q-R-RAE | *04:03, *04:07, *04:11 |
 | D-R-RGQ | *07 |
 | D-R-RAL | *08 |
 | R-R-RAE | *09:01, *14:01, *14:04 |