TABLE 5

FXRβ

Receptor Nomenclature NR1H5
Receptor code 4.10.1:BA:1:H5
Other names
Molecular information Hs:
Mm: 505aa, Q80ST6, chr. 3 F2.21
DNA binding
   Structure Heterodimer
   HRE core sequence AGTTCA N TGAACT (ER2)
Partners
Agonists Lanosterol (1 μM), vitamin D3 (10 μM), cholesten (10 μM), desmosterol (10 μM) [EC50]1
Antagonists
Coactivator NCOA11
Corepressor
Biologically important isoforms FXRβ -isoform 1 {Mm}1; FXRβ -isoform 2 {Mm}: splice variant in exon 81; FXRβ -isoform 3 {Mm}: splice variant in exon 10, lacking exon 111; FXRβ -isoform 4 {Mm}: splice variants in exon 8 and 10, lacking exon 111; FXRβ -isoform 5 {Mm}: splice variant in exon 31
Tissue distribution Ubiquitous {Mm} [RT-PCR]1
Functional assay
Main target genes
Mutant phenotype
Human disease
  • aa, amino acids; chr., chromosome; HRE, hormone response element; RT-PCR, reverse transcriptase-polymerase chain reaction

  • 1. tte K, Kranz H, Kober I, Thompson P, Hoefer M, Haubold B, Remmel B, Voss H, Kaiser C, Albers M, et al. (2003) Identification of farnesoid X receptor β as a novel mammalian nuclear receptor sensing lanosterol. Mol Cell Biol 23: 864-872