HLA-DR4
| human major histocompatibility complex, class II, DR4 | |
| Haplotypes groups | DRA*01:DRB1*04:01 to DRA*01:DRB1*04:13 | 
| Structure (See HLA-DR) | |
| Identifiers | alpha *01:01 | 
| Symbol(s) | HLA-DRA | 
| EBI-HLA | DRA*01:01 | 
| Identifiers | beta 1 *04:01 to *04:13 | 
| Symbol(s) | HLA-DRB1 | 
| EBI-HLA | DRB1*04:01 | 
| EBI-HLA | DRB1*04:02 | 
| EBI-HLA | DRB1*04:03 | 
| EBI-HLA | DRB1*04:04 Archived 2011-05-15 at the Wayback Machine | 
| EBI-HLA | DRB1*04:05 | 
| EBI-HLA | DRB1*04:06 | 
| EBI-HLA | DRB1*04:07 Archived 2011-05-15 at the Wayback Machine | 
| EBI-HLA | DRB1*04:08 | 
| EBI-HLA | DRB1*04:09 Archived 2011-05-15 at the Wayback Machine | 
| EBI-HLA | DRB1*0410 | 
| EBI-HLA | DRB1*0411 | 
| EBI-HLA | DRB1*0412 | 
| EBI-HLA | DRB1*0413 | 
| Shared data | |
| Locus | chr.6 6p21.31 | 
HLA-DR4 (DR4) is an HLA-DR serotype that recognizes the DRB1*04 gene products. The DR4 serogroup is large and has a number of moderate frequency alleles spread over large regions of the world.