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Biosynthesis of Triiodothyronine

There are three plausible pathways for the biosynthesis of triiodothyronine. It could be formed from one molecule each of mono- and diiodotyrosine in the same way as thyroxine can be formed from two molecules of diiodotyrosine or it could be formed by incomplete iodination of preformed thryonine or diiodothyronine or it could be formed by deiodina-tion of thyroxine. Formation by deiodination is favored by English work-... [Pg.74]

With regard to the biosynthesis of triiodothyronine, two pathways are possible (1) enzymic reduction of one iodine atom from thyroxine, and (2) the coupling of one molecule of monoiodotyrosine with one molecule of diiodotyrosine. These alternative pathways are shown in the following diagram ... [Pg.166]

See other pages where Biosynthesis of Triiodothyronine is mentioned: [Pg.159]    [Pg.168]   


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