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