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The vitamin D(3) receptor (VDR) acts primarily as a heterodimer with the retinoid X receptor (RXR) on different types of 1alpha,25-dihydroxyvitamin D(3) (1alpha,25(OH)(2)D(3)) response elements (VDREs). Therefore, DNA-bound VDR-RXR heterodimers can be considered as the molecular switches of 1alpha,25(OH)(2)D(3) signalling. Functional conformations of the(More)
The nuclear hormone 1alpha,25-dihydroxyvitamin D3(VD) mainly functions through a heterodimer formed between the VD receptor (VDR) and the retinoid X receptor (RXR). This transcription factor complex specifically recognizes DNA sequences, referred to as VD response elements (VDREs), that are formed by two hexameric core binding motifs arranged either as(More)
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