3,3'-diiodo-L-thyronine sulfate + iodide + A + H(+) = 3,3',5'-triiodo-L-thyronine sulfate + AH2
3,3'-diiodo-l-thyronine sulfate + iodide + a + h(+) = 3,3',5'-triiodo-l-thyronine sulfate + ah2
3,3'-diiodo-L-thyronine sulfate + iodide + A + H(+) = 3,3',5'-triiodo-L-thyronine sulfate + AH2
3,3'-diiodo-l-thyronine sulfate + iodide + a + h(+) = 3,3',5'-triiodo-l-thyronine sulfate + ah2