Polypeptides derived from vitamin D nuclear receptor, and their uses in particular for screening vitamin D analogues
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United States of America Patent
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Apr 3, 2007
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app pub date -
Nov 22, 2000
filing date -
Nov 22, 1999
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Abstract
Polypeptides derived from vitamin D nuclear receptor, which nuclear receptor comprises a ligand-binding domain, or LBD, which contains a flexible insertion domain. The polypeptides are charactarised in that the LBD flexible insertion domain is modified by substituting or suppressing at least 30 acids. The invention also concerns the use of the polypeptides in particular for screening synthetic vitamin D analogues or for producing tests (double or triple hybrid) for identifying other proteins (activator, repressor, . . . ) interacting with the vitamin D receptor using constructs containing the polypeptide used with Gal4 for example, or for analyzing three dimensional structures of complexes formed between the polypeptides and a particular molecule by crystallography or NMR.
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