Preferential syntheisi of thyroxine from early iodinated tyrosyl residues in thyroglobulin.

Amino Acids/analysis Caseins Chemical Phenomena Chemistry Chromatography, Paper Dialysis Diiodotyrosine Fibrinogen Glucose Oxidase/metabolism Goiter, Nodular/metabolism Humans Iodine/analysis Iodine Radioisotopes Isotope Labeling Monoiodotyrosine Peroxidases/metabolism Pronase Structure-Activity Relationship Thyroglobulin/isolation & purification,metabolism Thyroid Gland/analysis,enzymology Thyroxine/biosynthesis Tyrosine/metabolism

Amino Acids Caseins Iodine Radioisotopes Tyrosine Diiodotyrosine Fibrinogen Thyroglobulin Iodine Glucose Oxidase Peroxidases Pronase Monoiodotyrosine Thyroxine