Western blot analysis of extracts from MCF7 cells, untreated or stimulated with IGF-I, using Phospho-IGF-I Receptor β (Tyr1135) (DA7A8) Rabbit mAb (upper) and IGF-I Receptor β Antibody #3027 (lower).Learn more about how we get our images
Western blot analysis of extracts from 293 (IGF-I receptor β+) and SK-UT-1 (IGF-I receptor β-) cells using IGF-I Receptor β (D23H3) XP® Rabbit mAb (upper) or β-Actin Antibody #4967 (lower).Learn more about how we get our images
Confocal immunofluorescent analysis of MCF7 (left) and SK-UT-1 (right) cells using IGF-I Receptor β (D23H3) XP® Rabbit mAb (green). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).Learn more about how we get our images
|Phospho-IGF-I Receptor β (Tyr1135) (DA7A8) Rabbit mAb 3918||100 µl||
||H M R||95||Rabbit IgG|
|IGF-I Receptor β (D23H3) XP® Rabbit mAb 9750||100 µl||
||H M R Mk||95||Rabbit IgG|
PhosphoPlus® Duets from Cell Signaling Technology (CST) provide a means to assess protein activation status. Each Duet contains an activation-state and total protein antibody to your target of interest. These antibodies have been selected from CST's product offering based upon superior performance in specified applications.
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).
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc. PhosphoPlus is a trademark of Cell Signaling Technology, Inc.
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|12004S||1 Kit (10 western blots)||$ 510.0|