Consulta: creatorFacets:"Kayla Y. Uh"
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3D models of lamprey corticoid receptor complexed with 11-deoxycortisol and deoxycorticosterone
Provedor de dados: Nature Precedings
Autores: Michael E. Baker; Kayla Y. Uh; Paiyuam Asnaashari.
The serum of Atlantic sea lamprey, a basal vertebrate, contains two corticosteroids, 11-deoxycortisol and deoxycorticosterone.  Only 11-deoxycortisol has high affinity [Kd~3 nM] for the corticoid receptor [CR] in lamprey gill cytosol.  To investigate the binding of 11-deoxycortisol to the CR, we constructed 3D models of lamprey CR complexed with 11-deoxycortisol and deoxycorticosterone.  These 3D models reveal that Leu-220 and Met-299 in lamprey CR have contacts with the 17[alpha]-hydroxyl on 11-deoxycortisol.  Lamprey CR is the ancestor of the mineralocorticoid receptor [MR] and glucocorticoid receptor [GR].  Unlike human MR and human GR, the 3D model of lamprey CR finds a van der Waals contact between Cys-227 in helix 3 and Met-264 in helix 5.  Mutant...
Tipo: Manuscript
Palavras-chave: Cancer; Developmental Biology; Pharmacology; Bioinformatics; Evolutionary Biology.
Ano: 2011
URL: http://precedings.nature.com/documents/6216/version/1