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- Table of Contents
Facts about Bile acid receptor.
Plays a essential part in BA homeostasis through the regulation of genes involved in BA synthesis, conjugation and enterohepatic circulation. The FXR-RXR heterodimer binds predominantly to farnesoid X receptor response elements (FXREs) containing two inverted repeats of the consensus sequence 5'- AGGTCA-3' where the monomers are spaced by 1 nucleotide (IR-1) but also to intelligently replicate DR1 websites with lower affinity, and may be activated by FXR or RXR-specific ligands.
Human | |
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Gene Name: | NR1H4 |
Uniprot: | Q96RI1 |
Entrez: | 9971 |
Belongs to: |
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nuclear hormone receptor family |
BAR; bile acid receptor; farnesoid X receptor; Farnesoid X-activated receptor; Farnesol receptor HRR-1; FXR; FXRBAR; HRR-1; HRR1MGC163445; NR1H4; Nuclear receptor subfamily 1 group H member 4; nuclear receptor subfamily 1, group H, member 4; Retinoid X receptor-interacting protein 14; RIP14; RIP14RXR-interacting protein 14
Mass (kDA):
55.914 kDA
Human | |
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Location: | 12q23.1 |
Sequence: | 12; NC_000012.12 (100473866..100564414) |
Liver and hepatocyte-related cells express mainly FXRalpha1-type isoforms with isoform 3 and isoform 4 in approximately equal proportions. In intestine and kidney mainly FXRalpha2-type isoforms are expressed with isoform 1 and isoform 2 in approximately equal proportions. Expressed in pancreatic beta cells and macrophages.
Nucleus.; [Isoform 1]: Nucleus.; [Isoform 2]: Nucleus.; [Isoform 3]: Nucleus.; [Isoform 4]: Nucleus.
PMID: 12062799 by Huber R.M., et al. Generation of multiple farnesoid-X-receptor isoforms through the use of alternative promoters.
PMID: 10514450 by Grober J., et al. Identification of a bile acid-responsive element in the human ileal bile acid-binding protein gene. Involvement of the farnesoid X receptor/9-cis-retinoic acid receptor heterodimer.