Cat. # | Size | Price | Inventory |
---|---|---|---|
7302C | 1 Kit (96 assays) |
When ordering five or more kits, please contact us for processing time and pricing.
Looking for this ELISA kit in a 384-well format? Inquire for availability, processing time, and pricing.
REACTIVITY | H |
Product Includes | Volume | Solution Color | |||
---|---|---|---|---|---|
Phospho-IGF-I Receptor β (Tyr1131)/Insulin Receptor β (Tyr1146) Rabbit mAb Coated Microwells | 96 tests | ||||
IGF-I Receptor β Rabbit Detection mAb | 1 ea | Red (Lyophilized) | |||
HRP Diluent | 5.5 ml | Red | |||
TMB Substrate 7004 | 11 ml | ||||
STOP Solution 7002 | 11 ml | ||||
Sealing Tape | 2 ea | ||||
ELISA Wash Buffer (20X) 9801 | 25 ml | ||||
Cell Lysis Buffer (10X) 9803 | 15 ml |
Product Information
The rapid protocol (RP) PathScan® Phospho-IGF-I Receptor beta (Tyr1131) Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of IGF-I receptor beta protein when phosphorylated at Tyr1131 in a reduced assay time of 1.5 hours. Incubation of cell lysate and detection antibody on the coated microwell plate forms a sandwich with IGF-I receptor beta protein phosphorylated at Tyr1131 in a single step. The plate is then extensively washed and TMB reagent is added for signal development. The magnitude of absorbance for the developed color is proportional to the quantity of IGF-I receptor beta protein phosphorylated at Tyr1131. Learn more about all of your ELISA kit options here.
*Antibodies in this kit are custom formulations specific to kit.
NOTE: This protocol is for PathScan® kits that use an HRP directly conjugated to the detection antibody (Rapid Protocol), rather than a 2-step method where the detection antibody and a secondary-HRP are added sequentially.
NOTE: Prepare solutions with deionized/purified water or equivalent.
For adherent cells
For suspension cells
NOTE: Equilibrate all materials and prepared reagents to room temperature prior to running the assay.
NOTE: Initial color of positive reaction is blue, which changes to yellow upon addition of STOP Solution.
created July 2020
Protocol Id: 2144
Type I insulin-like growth factor receptor (IGF-IR) is a transmembrane receptor tyrosine kinase that is widely expressed in many cell lines and cell types within fetal and postnatal tissues (1-3). Receptor autophosphorylation follows binding of the IGF-I and IGF-II ligands. Three tyrosine residues within the kinase domain (Tyr1131, Tyr1135, and Tyr1136) are the earliest major autophosphorylation sites (4). Phosphorylation of these three tyrosine residues is necessary for kinase activation (5,6). Insulin receptors (IRs) share significant structural and functional similarity with IGF-I receptors, including the presence of an equivalent tyrosine cluster (Tyr1146/1150/1151) within the kinase domain activation loop. Tyrosine autophosphorylation of IRs is one of the earliest cellular responses to insulin stimulation (7). Autophosphorylation begins with phosphorylation at Tyr1146 and either Tyr1150 or Tyr1151, while full kinase activation requires triple tyrosine phosphorylation (8).
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