Revision 6
Cell Signaling Technology

Orders: 877-616-CELL (2355) [email protected]

Support: 877-678-TECH (8324)

Web: [email protected] cellsignal.com

3 Trask LaneDanversMassachusetts01923USA
For Research Use Only. Not for Use in Diagnostic Procedures.
Applications:

WB, IP, IHC-Bond, IHC-P, IF-F, IF-IC, FC-FP

REACTIVITY:

H M R

SENSITIVITY:

Endogenous

MW (kDa):

95, 220

Source/Isotype:

Rabbit IgG

UniProt ID:

#P06213

Entrez-Gene Id:

3643

Product Information

Product Usage Information

Application Dilution
Western Blotting 1:1000
Immunoprecipitation 1:100
IHC Leica Bond 1:50 - 1:200
Immunohistochemistry (Paraffin) 1:50 - 1:200
Immunofluorescence (Frozen) 1:50 - 1:200
Immunofluorescence (Immunocytochemistry) 1:50 - 1:200
Flow Cytometry (Fixed/Permeabilized) 1:50 - 1:200

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

For a carrier free (BSA and azide free) version of this product see product #98649.

Specificity / Sensitivity

Insulin Receptor β (E9L5V) XP® Rabbit mAb recognizes endogenous levels of total insulin receptor β. The 50 kDa band(s) seen on western blot is a probable partial degradation product of insulin receptor β.

Species Reactivity:

Human, Mouse, Rat

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Leu1374 of human insulin receptor.

Background

Insulin receptor (InsR) is a heterodimeric membrane receptor tyrosine kinase. It is comprised of an extracellular α-subunit containing the ligand binding domain, and a β-subunit containing an extracellular domain, a transmembrane domain, and a cytoplasmic tyrosine kinase domain (1). Binding of insulin to InsR results in receptor autophosphorylation, and subsequent tyrosine kinase activation (2). This provides a docking site for various adaptor molecules, including insulin receptor substrate (IRS), Gab and Shc, phosphorylation of which promotes subsequent activation of multiple downstream signaling pathways including MAPK, PI3K, and TC10 (3,4). These events lead to increased glucose uptake and metabolism, and can promote cell growth. Loss-of-function mutation or desensitization of the InsR are two major contributors to insulin resistance and Type 2 diabetes (5).

  1. Yip, C.C. and Ottensmeyer, P. (2003) J Biol Chem 278, 27329-32.
  2. Hubbard, S.R. (2013) Cold Spring Harb Perspect Biol 5, a008946.
  3. Saltiel, A.R. and Pessin, J.E. (2002) Trends Cell Biol 12, 65-71.
  4. Zick, Y. (2001) Trends Cell Biol 11, 437-41.
  5. Boucher, J. et al. (2014) Cold Spring Harb Perspect Biol 6, pii: a009191. doi: 10.1101/cshperspect.a009191.

Species Reactivity

Species reactivity is determined by testing in at least one approved application (e.g., western blot).

Western Blot Buffer

IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.

Applications Key

WB: Western Blotting IP: Immunoprecipitation IHC-Bond: IHC Leica Bond IHC-P: Immunohistochemistry (Paraffin) IF-F: Immunofluorescence (Frozen) IF-IC: Immunofluorescence (Immunocytochemistry) FC-FP: Flow Cytometry (Fixed/Permeabilized)

Cross-Reactivity Key

H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

Trademarks and Patents

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
Alexa Fluor is a registered trademark of Life Technologies Corporation.
All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

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