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Recombinant Human INSR Protein (Long Isoform) (Met1-Lys956), His-tagged, Biotinylated

Cat.: INSR-497H
Cat.No.: INSR-497H
Product Overview: Recombinant Human INSR Protein (NP_000199.2) (Met1-Lys956) (Long Isoform) was produced by HEK293 Cells expression system. This protein was fused with a polyhistidine tag at the C-terminus. The purified protein was biotinylated in vitro.
Description: INSR (Insulin receptor), also known as CD22, is a transmembrane receptor that is activated by insulin. INSR belongs to theprotein kinase superfamily, and exists as a tetramer consisting of two alpha subunits and two beta subunits linked by disulfide bonds. The alpha and beta subunits are encoded by a single INSR gene, and the beta subunits pass through the cellular membrane. As the receptor for insulin with tyrosine-protein kinase activity, INSR associates with downstream mediators upon binding to insulin, including IRS1 (insulin receptor substrate 1) and phosphatidylinositol 3'-kinase (PI3K). IRS-1 binding and phosphorylation eventually leads to an increase in the high affinity glucose transporter (Glut4) molecules on the outer membrane of insulin-responsive tissues. INSR isoform long and isoform short are expressed in the peripheral nerve, kidney, liver, striated muscle, fibroblasts and skin, and is found as a hybrid receptor with IGF1R which also binds IGF1 in muscle, heart, kidney, adipose tissue, skeletal muscle, hepatoma, fibrobasts, spleen and placenta. Defects in Insulin Receptor/INSR are the cause of Rabson-Mendenhall syndrome (Mendenhall syndrome), insulin resistance (Ins resistance), leprechaunism (Donohue syndrome), and familial hyperinsulinemic hypoglycemia 5 (HHF5). It may also be associated with noninsulin-dependent diabetes mellitus (NIDDM).
Source: HEK293
Species: Human
Tag : His
Predicted N Terminal: His 28 & Ser 763
Form: Lyophilized from sterile PBS, pH 7.4. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Bio-activity: Measured by its ability to bind human Insulin in a functional ELISA.
Molecular Mass: The recombinant human INSR isoform long consists of 940 amino acids and predicts a molecular mass of 107 kDa.
Protein length: Met1-Lys956
Endotoxin: < 1.0 EU per μg protein as determined by the LAL method.
Purity: > 95 % as determined by SDS-PAGE.
Stability: Samples are stable for up to twelve months from date of receipt at -70 centigrade.
Storage: Store it under sterile conditions at -20 centigrade to -80 centigrade. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution: It is recommended that sterile water be added to the vial to prepare a stock solution of 0.2 mg/ml. Centrifuge the vial at 4ºC before opening to recover the entire contents.
Shipping: In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Gene Name: INSR insulin receptor [ Homo sapiens ]
Official Symbol: INSR
Synonyms: INSR; insulin receptor; CD220; IR; HHF5;
Gene ID: 3643
mRNA Refseq: NM_000208
Protein Refseq: NP_000199
MIM: 147670
UniProt ID: P06213

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