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Hormone affinity and fibril formation of piscine transthyretin: the role of the...
Morgado, Isabel; Melo, Eduardo P.; Lundberg, Erik; Estrela, Nídia L.; Sauer-Eriksson, A. Elisabeth; Power, DeborahTransthyretin (TTR) transports thyroid hormones (THs), thyroxine (T4) and triiodothyronine (T3) in the blood of vertebrates. TH-binding sites are highly conserved in vertebrate TTR however, piscine TTR has a longer N-terminus which is thought to influence TH-binding affinity and may influence TTR stability. We produced recombinant wild-type sea bream TTR (sbTTRWT) plus two mutants in which six (sbTTRM6) and twe...
High resolution crystal structures of piscine transthyretin reveal different bi...
Eneqvist, Therese; Lundberg, Erik; Karlsson, Anders; Huang, Shenghua; Santos, Cecília R. A.; Power, Deborah; Sauer-Eriksson, A. ElisabethTransthyretin (TTR) is an extracellular transport protein involved in the distribution of thyroid hormones and vitamin A. So far, TTR has only been found in vertebrates, of which piscine TTR displays the lowest sequence identity with human TTR (47%). Human and piscine TTR bind both thyroid hormones 3,5,3 -triiodo- L-thyronine (T3) and 3,5,3 ,5 -tetraiodo-L-thyronine (thyroxine, T4). Human TTR has higher affinit...
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