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Articles by D Martynowski
Total Records ( 1 ) for D Martynowski
  L Jin , D Martynowski , S Zheng , T Wada , W Xie and Y. Li
 

The retinoic acid-related orphan receptor (ROR) has important roles in development and metabolic homeostasis. Although the biological functions of ROR have been studied extensively, no ligands for ROR have been identified, and no structure of ROR has been reported. In this study, we showed that hydroxycholesterols promote the recruitment of coactivators by ROR using biochemical assays. We also report the crystal structures of the ROR ligand-binding domain bound with hydroxycholesterols. The structures reveal the binding modes of various hydroxycholesterols in the ROR pocket, with the receptors all adopting the canonical active conformation. Mutations that disrupt the binding of hydroxycholesterols abolish the constitutive activity of ROR. Our observations suggest an important role for the endogenous hydroxycholesterols in modulating ROR-dependent biological processes.

 
 
 
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