Reaction catalyzed by iodide peroxidase (1.11.1.8)
2
+
=
+
+
2
H2O
2 [thyroglobulin]-3,5-diiodo-L-tyrosine
+
H2O2
=
[thyroglobulin]-L-thyroxine
+
[thyroglobulin]-aminoacrylate
+
2 H2O
