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NR0B2
The protein encoded by this gene is an unusual orphan receptor that contains a putative ligand-binding domain but lacks a conventional DNA-binding domain. The gene product is a member of the nuclear hormone receptor family, a group of transcription factors regulated by small hydrophobic hormones, a subset of which do not have known ligands and are referred to as orphan nuclear receptors. The protein has been shown to interact with retinoid and thyroid hormone receptors, inhibiting their ligand-dependent transcriptional activation. In addition, interaction with estrogen receptors has been demonstrated, leading to inhibition of function. Studies suggest that the protein represses nuclear hormone receptor-mediated transactivation via two separate steps: competition with coactivators and the direct effects of its transcriptional repressor function. [provided by RefSeq, Jul 2008]
Protein class
Disease related genes, Human disease related genes, Nuclear receptors, Transcription factors
Predicted location
Intracellular
Single cell type specificity
Cell type enhanced (Hepatocytes, Cholangiocytes, Gastric mucus-secreting cells, Distal tubular cells, Proximal enterocytes, Exocrine glandular cells)
Immune cell specificity
Not detected in immune cells
Cell line specificity
Cell line enriched (Hep G2)
Interaction
Interacts (via N-terminus) with NEUROD1 (via N-terminus and C-terminus) (PubMed:14752053). Interacts with ID2 (PubMed:14752053). Interacts with RORG, NFIL3, NR1D1 and BHLHE41 (By similarity). Heterodimer; efficient DNA binding requires dimerization with another bHLH protein (PubMed:14752053). Interacts with RARA, RXRA, THRB, NR5A1, NR5A2, NR1I3, PPARA, PPARG and EID1 (By similarity). Interacts with HNF4A; the resulting heterodimer is transcriptionnally inactive (PubMed:28128295). Interacts with DDX3X; this interaction disrupts the interaction between HNF4 and NR0B2/SHP that forms inactive heterodimers and enhances the formation of active HNF4 homodimers (PubMed:28128295).
Molecular function
Receptor, Repressor
More Types Infomation
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- Species Reactivity: Human
- Application: ELISA, WB
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For Research Use Only. Not For Clinical Use.