| Provider Name | Provider Code | URI |
|---|---|---|
| Conserved Domain Database | cdd |
https://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=cd00400 |
| Bioregistry | bioregistry |
https://bioregistry.io/cdd:cd00400 |
| Identifiers.org | miriam |
https://identifiers.org/cdd:cd00400 |
| Name-to-Thing | n2t |
https://n2t.net/cdd:cd00400 |