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Western blot analysis of Phospho-IR pTyr1158 in whole cell extracts of serum-starved HeLa cells treated with insulin (100ng/ml, 15 min) using a Phospho-IR pTyr1158 recombinant rabbit monoclonal antibody (Product # 701070) at a dilution of 1ug/ml. To confirm specificity, competition was performed by preincubation with the phosphopeptide to inhibit antibody binding (lane 2). Results show a band at ~115kDa.
|Tested species reactivity||Human|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Phosphopeptide corresponding to amino acids 1153–1162 of human insulin receptor|
|Contains||0.09% sodium azide|
|Storage Conditions||Maintain refrigerated at 2-8°C for up to 1 month. For long term storage store at -20°C|
|Tested Applications||Dilution *|
|Flow Cytometry (Flow)||3-5 µg/million cells|
|Western Blot (WB)||1-3 ug/ml|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
This antibody is predicted to react with non-human primate, mouse and rat based on sequence homology.
ABfinity™ recombinant antibodies are rabbit monoclonal antibodies, unmatched for producing superior results. ABfinity™ antibodies are developed by immunizing animals, screening for functionality, cloning the immunogen-specific antibody genes into high-level mammalian expression vectors, produced on a large scale, and purified with Protein A.
ABfinity™ monoclonal antibodies resemble rabbit monoclonals isolated from serum or produced by hybridomas, but demonstrate greater specificity and sensitivity. Because ABfinity™ recombinant antibodies are derived from cloned DNA sequences of the heavy and light antibody chains, they are not susceptible to cell-line drift or lot-to-lot variation, thus allowing for peak specificity and performance.
Intact IgG appears on a non-reducing gel as ~150 kDa band and upon reduction generating a ~25 kDa light chain band and a ~50 kDa heavy chain.
Insulin receptor (IR), belongs to the growth factor receptor tyrosine kinase superfamily which regulates multiple signaling pathways. It is a heterotetrameric membrane glycoprotein consisting of alpha and beta subunits encoded by the INSR gene in humans. IR and IGF-1 receptors share major structural and functional similarity. The earliest cellular response to insulin stimulation is autophosphorylation of tyrosine in IR. In humans, the IR gene is located on chromosome 19.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
IR, insulin receptor, CD220, HHF5, INSR, CD221, IGF-I receptor, insulin-like growth factor I receptor, soluble IGF1R variant 1, soluble IGF1R variant 2