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- Tel: 858.663.9055
- Email: info@nsjbio.com
DIO3 / Thyroxine 5-deiodinase belongs to the iodothyronine deiodinase family. It catalyzes the inactivation of thyroid hormone by inner ring deiodination of the prohormone thyroxine (T4) and the bioactive hormone 3,3',5-triiodothyronine (T3) to inactive metabolites, 3,3',5'-triiodothyronine (RT3) and 3,3'-diiodothyronine (T2), respectively. This enzyme is highly expressed in the pregnant uterus, placenta, fetal and neonatal tissues, suggesting that it plays an essential role in the regulation of thyroid hormone inactivation during embryological development. This protein contains a selenocysteine (Sec) residue, which is essential for efficient enzyme activity. The selenocysteine is encoded by the UGA codon, which normally signals translation termination. The 3' UTR of Sec-containing genes have a common stem-loop structure, the sec insertion sequence (SECIS), which is necessary for the recognition of UGA as a Sec codon rather than as a stop signal.
The stated application concentrations are suggested starting points. Titration of the Thyroxine 5-deiodinase antibody may be required due to differences in protocols and secondary/substrate sensitivity.
A portion of amino acids 250-278 from the human protein was used as the immunogen for the Thyroxine 5-deiodinase antibody.
Aliquot the Thyroxine 5-deiodinase antibody and store frozen at -20oC or colder. Avoid repeated freeze-thaw cycles.
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