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GENE AND PROTEIN SUMMARY

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Gene name

INSIG1

Description

insulin induced gene 1

Protein class

Mapped to UniProt SWISS-PROT, Potential transmembrane proteins, Potentially secreted proteins

Protein evidence

Medium

Entrez gene summary

Oxysterols regulate cholesterol homeostasis through the liver X receptor (LXR)- and sterol regulatory element-binding protein (SREBP)-mediated signaling pathways. This gene is an insulin-induced gene. It encodes an endoplasmic reticulum (ER) membrane protein that plays a critical role in regulating cholesterol concentrations in cells. This protein binds to the sterol-sensing domains of SREBP cleavage-activating protein (SCAP) and HMG CoA reductase, and is essential for the sterol-mediated trafficking of the two proteins. Alternatively spliced transcript variants encoding distinct isoforms have been observed. [provided by RefSeq, Jun 2009]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

5 in total
5 with predicted TM region
1 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Pending subcellular analysis

NORMAL TISSUE & ORGAN SUMMARY

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Pending normal tissue analysis

CANCER TISSUE SUMMARY

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Pending cancer tissue analysis

CELL LINE SUMMARY

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RNA evidence

High
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

A-431 Skin High

-

-

A-549 Lung Medium

-

-

CACO-2 Colon Medium

-

-

HEK 293 Embryonal kidney High

-

-

HeLa Cervix High

-

-

Hep-G2 Liver Not detected

-

-

MCF-7 Pleural effusion High

-

-

PC-3 Bone marrow Medium

-

-

RT-4 Urinary bladder High

-

-

U-2 OS Bone Low

-

-

U-251 MG Brain Medium

-

-

ANTIBODY SUMMARY

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Pending antibodies