A catenin that binds F-ACTIN and links the CYTOSKELETON with BETA CATENIN and GAMMA CATENIN. (mesh:D051178)
| Synonym | Reference | Specificity |
| alpha catenin | Exact | |
| a-cathenin | Exact | |
| catenin alpha | Exact | |
| α-catenin | Exact | |
| α catenin | Exact | |
| alpha-catenin | Exact | |
| catenin α | Exact |
| Identifier | Name | Relation |
| HGNC:2511 | CTNNA3 | isa |
| HGNC:2509 | CTNNA1 | isa |
| HGNC:2510 | CTNNA2 | isa |