tokens: Type 2 deiodinase ( D2 ) catalyzes the 5 ' - deiodination of thyroxine to form 3,5,3 ' - triiodothyronine .
folded_tokens: type 2 deiodinase ( d2 ) catalyze the 5 ' - deiodination of thyroxine to form 3,5,3 ' - triiodothyronine .