LRH-1 human，5UG，SRP2070-5UG，Sigma

销售价： ¥ 5073.10 / 件

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订货号： 0BP3024

品牌型号： Sigma SRP2070-5UG

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最小订货量： 1件

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产品介绍 Product Description

Biochem/physiol Actions

LRH-1 or HB1F for human B1-binding factor belongs to the fushi tarazu factor-1 (FTZ-F1) subfamily of orphan nuclear receptors and is closely related to steroidogenic factor-1. LRH1 contains a DNA-binding domain with 2 zinc finger motifs, an FTZ-F1 box, and a ligand-binding domain. Cholesterol 7-α-hydroxylase is the first and rate-limiting enzyme in a pathway through which cholesterol is metabolized to bile acids. Elevated promoter-specific repressor protein (SHP) inactivates LRH1 by forming a heterodimeric complex that leads to promoter-specific repression of both CYP7A1 and SHP. These results revealed an elaborate autoregulatory cascade mediated by nuclear receptors for the maintenance of hepatic cholesterol catabolism. LRH1 specifically binds and activates viral hepatitis B enhancer II, an essential element for the liver-specific regulation of hepatitis B virus gene expression. CPF is a key regulator of human CYP7A gene expression in the liver. SHP1 represses expression of CYP7A1 by inhibiting the activity of LRH1 which regulates CYP7A1 expression positively. This bile acid-activated regulatory cascade provides a molecular basis for the coordinate suppression of CYP7A1 and other genes involved in bile acid biosynthesis.

Physical form

Clear and colorless frozen liquid solution

Preparation Note

Use a manual defrost freezer and avoid repeated freeze-thaw cycles. While working, please keep sample on ice.

技术参数 Specifications

biological source	human
recombinant	expressed in insect cells
assay	≥70% (SDS-PAGE)
form	frozen liquid
mol wt	~62.6 kDa
packaging	pkg of 5 μg
concentration	50 μg/mL
color	clear colorless
NCBI accession no.	NM_205860
UniProt accession no.	O00482
shipped in	dry ice
storage temp.	−70°C
Gene Information	human ... NR5A2(2494)

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