A family of large adaptin protein subunits of approximately 100 kDa in size. They have been primarily found as components of ADAPTOR PROTEIN COMPLEX 2. (mesh:D033965)
| Identifier | Name | Relation |
| HGNC:562 | AP2A2 | isa |
| HGNC:561 | AP2A1 | isa |
| Relation | Identifier | Name |
| partof | FPLX:Adaptor_protein_II | Adaptor_protein_II |