Selenocysteine is associated with ?
Selenocysteine is considered as 21 standard amino acid.It is present at the active site of some enzymes that catalyze redox reactions, e.g. thioredoxin reductase, glutathione peroxidase, and the deiodinase (conves thyroxin to triiothyronine).
Carbonic anhydrase
Catalase
Deiodinase
Transferase