| Name | Type II iodothyronine deiodinase |
| Description | Responsible for the deiodination of T4 (3,5,3',5'-tetraiodothyronine) into T3 (3,5,3'-triiodothyronine). Essential for providing the brain with appropriate levels of T3 during the critical period of development. |
| UniProt ID | Q92813 |
| Gene | DIO2 |
