| Type: | Domain | Name: | CD4, extracellular |
| Description: | This domain adopts an immunoglobulin-like beta-sandwich with seven strands in 2 beta sheets, in a Greek key topology. It is predominantly found in the extracellular portion of CD4 proteins, where it enables interaction with major histocompatibility complex class II antigens []. | Short Name: | CD4-extracel |
