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- Table of Contents
Designing a Western blot for Bile acid receptor? The guide has the expected band size, antibodies backed by real blot images, the controls to run alongside, and protocols taken from published papers.
Open the NR1H4 Western Blot GuideFacts 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 | |
|---|---|
| Gene Name: | NR1H4 |
| Uniprot: | Q96RI1 |
| Entrez: | 9971 |

| Belongs to: |
|---|
| 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 | |
|---|---|
| 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.