Nuclear receptor subfamily 0 group B member 2

UniProtKB accession:  Q62227

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UniProtKB description:  Transcriptional regulator that acts as a negative regulator of receptor-dependent signaling pathways (PubMed:8650544). Specifically inhibits transactivation of the nuclear receptor with which it interacts (PubMed:8650544). Inhibits transcriptional activity of NEUROD1 on E-box-containing promoter by interfering with the coactivation function of the p300/CBP-mediated transcription complex for NEUROD1 (By similarity). Essential component of the liver circadian clock which via its interaction with NR1D1 and RORG regulates NPAS2-mediated hepatic lipid metabolism (PubMed:25212631). Regulates the circadian expression of cytochrome P450 (CYP) enzymes (PubMed:30555544). Represses: NR5A2 and HNF4A to down-regulate CYP2C38, NFLI3 to up-regulate CYP2A5, BHLHE41/HNF1A axis to up-regulate CYP1A2, CYP2E1 and CYP3A11, and NR1D1 to up-regulate CYP2B10, CYP4A10 and CYP4A14 (PubMed:30555544).