| Synonym | Reference | Specificity |
| Pcdhalpha | Exact | |
| Protocadherin alpha | Exact |
| Identifier | Name | Relation |
| HGNC:8666 | PCDHA12 | isa |
| HGNC:8669 | PCDHA3 | isa |
| HGNC:8663 | PCDHA1 | isa |
| HGNC:8665 | PCDHA11 | isa |
| HGNC:8671 | PCDHA5 | isa |
| HGNC:8664 | PCDHA10 | isa |
| HGNC:8670 | PCDHA4 | isa |
| HGNC:8672 | PCDHA6 | isa |
| HGNC:8674 | PCDHA8 | isa |
| HGNC:8667 | PCDHA13 | isa |
| HGNC:8673 | PCDHA7 | isa |
| HGNC:8676 | PCDHAC1 | isa |
| HGNC:8677 | PCDHAC2 | isa |
| HGNC:8675 | PCDHA9 | isa |
| HGNC:8668 | PCDHA2 | isa |