Insulin induced gene 1, also known as INSIG1, is a protein which in humans is encoded by the INSIG1 gene. This gene encodes an endoplasmic reticulum membrane protein that regulates cholesterol metabolism, lipogenesis, and glucose homeostasis. The encoded protein has six transmembrane helices which contain an effector protein binding site. It binds the sterol-sensing domains of sterol regulatory element-binding protein (SREBP) cleavage-activating protein (SCAP) and 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMG-CoA reductase), and is essential for the sterol-mediated trafficking of these two proteins. It promotes the endoplasmic reticulum retention of SCAP and the ubiquitin-mediated degradation of HMG-CoA reductase. Alternative splicing results in multiple transcript variants.
Formulation
0.5mg/ml if reconstituted with 0.2ml sterile DI water
Host
Rabbit
Immunogen Region
Amino acids MPRLHDHVWSYPSA from the rat protein were used as the immunogen for the Insig1 antibody.
Isotype
IgG
Predicted Reactivity
Mouse, Rat
Reactivity
Mouse, Rat
Recombinant
No
Uniprot
Q08755
Format
Antigen affinity purified
Purification
Affinity purified
Storage
After reconstitution, the Insig1 antibody can be stored for up to one month at 4°C. For long-term, aliquot and store at -20°C. Avoid repeated freezing and thawing.
Applications
WB, FACS
Dilution
Western blot: 1-2ug/ml,Flow cytometry: 1-3ug/million cells