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Phospho-p90RSK/RSK1 (Ser380) Antibody
SPA-08521
| Size | Price |
| 25 µg | Online Inquiry |
| 100 µg | Online Inquiry |
| More Options | Online Inquiry |
| Target Information | |
|---|---|
| Target Name | p90RSK |
| Gene Abbr. | RPS6KA1 |
| Gene ID | 6195 |
| Full Name | ribosomal protein S6 kinase A1 |
| Alias | HU-1, MAPKAPK1, MAPKAPK1A, RSK, RSK1 |
| Introduction | The 90 kDa ribosomal S6 kinases (RSK1-4) are a family of widely expressed Ser/Thr kinases characterized by two nonidentical, functional kinase domains and a carboxy-terminal docking site for extracellular signal-regulated kinases (ERKs). Several sites both within and outside of the RSK kinase domain, including Ser380, Thr359, Ser363, and Thr573, are important for kinase activation. RSK1-3 are activated via coordinated phosphorylation by MAPKs, autophosphorylation, and phosphoinositide-3-OH kinase (PI3K) in response to many growth factors, polypeptide hormones, and neurotransmitters.Upon mitogenic stimulation, p44/42 ERK1/2 and ERK5 MAP kinases cooperatively phosphorylate p90RSK Thr573 (p90RSK1 numbering) located within the C-terminal kinase domain and Thr359/Ser363 in the linker region between the two kinase domains. Phosphorylation of Thr573 within the activation loop of the p90RSK C-terminal kinase domain promotes activation and directs phosphorylation of Ser380 within the hydrophobic stretch of the linker region. The phosphorylated p90RSK Ser380 acts as a docking site for the constitutively active Ser/Thr kinase PDK1, which in turn phosphorylates Ser221 within the N-terminal kinase domain activation loop, resulting in full enzymatic activation of the p90RSK. Antibodies against these phosphorylation sites are useful for understanding the kinetics and regulation of p90RSK activation. |
| Product Details | |
|---|---|
| Host | Rabbit |
| Clonality | Monoclonal |
| Clone No. | D5D8 |
| Immunogen | Synthetic phosphopeptide corresponding to residues surrounding Ser377 of human p90RSK3 protein. |
| Source/Purification | Antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser377 of human p90RSK3 protein. |
| Usage | |
|---|---|
| Application | WB, IP, FC |
| Dilutions | Western Blot (1:1000); Immunoprecipitation (1:100) |
| MW(KDa) | 90 |
| Reactivity | Human, Mouse, Rat, Monkey |
| Sensitivity | Endogenous |
| Specificity | It recognizes endogenous levels of RSK1, RSK2, and RSK3 proteins only when phosphorylated at Ser380 (RSK1), Ser386 (RSK2), or Ser377 (RSK3). |
| Storage & Handling | |
|---|---|
| Storage Buffer | 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. |
| Preservative | Less than 0.02% Sodium Azide |
| Storage Temp. | Store at -20 °C. |
| Handling | Do not aliquot the antibody. |
For research use only. Not intended for any clinical use. No products from CD BioSciences may be resold, modified for resale or used to manufacture commercial products without prior written approval from CD BioSciences.