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- Table of Contents
Facts about Insulin-induced gene 1 protein.
Capable of retaining the SCAP-SREBF2 complex in the ER thus preventing it from escorting SREBPs to the Golgi. Initiates the sterol-mediated ubiquitin-mediated endoplasmic reticulum-associated degradation (ERAD) of HMGCR via recruitment of the reductase to the ubiquitin ligase, AMFR/gp78.
Human | |
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Gene Name: | INSIG1 |
Uniprot: | O15503 |
Entrez: | 3638 |
Belongs to: |
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INSIG family |
CL6; CL-6; INSIG-1 membrane protein; INSIG-1; insulin induced gene 1; insulin-induced gene 1 protein; MGC1405
Mass (kDA):
29.987 kDA
Human | |
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Location: | 7q36.3 |
Sequence: | 7; NC_000007.14 (155297772..155310235) |
Expressed in all tissues tested with highest expression in the liver.
Endoplasmic reticulum membrane; Multi-pass membrane protein.
PMID: 9268630 by Peng Y., et al. Cloning, human chromosomal assignment, and adipose and hepatic expression of the CL-6/INSIG1 gene.
PMID: 12202038 by Yang T., et al. Crucial step in cholesterol homeostasis: sterols promote binding of SCAP to INSIG-1, a membrane protein that facilitates retention of SREBPs in ER.