
Phospho-VASP (Ser157) Rabbit Polyclonal Antibody#abs130962
Please note that the price mentioned above is provided as a reference only. For detailed pricing information, we advise you to get in touch with our seller, Vecent. Kindly reach out to Vecent for further assistance regarding prices. Data Examples Western blot analysis of VASP phosphorylation...
Description
Catalog-specification | Delivery time | USD price |
abs130962-50ug | 1-2 Weeks | 201 |
abs130962-100ug | 1-2 Weeks | 301 |
Please note that the price mentioned above is provided as a reference only. For detailed pricing information, we advise you to get in touch with our seller, Vecent. Kindly reach out to Vecent for further assistance regarding prices.
Overview | |
Description | Vasodilator-stimulated phosphoprotein (VASP) belongs to the Ena-VASP protein family, which comprises proteins that possess an EHV1 N-terminal domain. This unique domain enables them to bind to proteins that contain E/DFPPPPXD/E motifs and facilitates the localization of Ena-VASP proteins to focal adhesions. |
Other names | Vasodilator-stimulated phosphoprotein (VASP), also known as Vasodilator stimulated phosphoprotein or VASP_HUMAN, is a protein involved in regulating vasodilation. It has been extensively studied due to its role in cell signaling and cytoskeletal rearrangement. VASP functions as a vasodilator by promoting the relaxation of blood vessels, thereby increasing blood flow. This protein is commonly found in endothelial cells, platelets, and smooth muscle cells. Its phosphorylation is regulated by various kinases, such as protein kinase A and C, which further modulate its activity. VASP has been implicated in multiple physiological processes, including blood pressure regulation, platelet aggregation, and wound healing. Its importance in cardiovascular health makes VASP a potential target for therapeutic interventions in various cardiovascular diseases. Overall, VASP plays a critical role in maintaining vascular homeostasis and ensuring proper blood flow throughout the body. |
Source | Rabbit |
Specificity | The Antibody for Phospho-VASP (Ser157) is sensitive to the presence of VASP only when it is phosphorylated at Serine 157. This means that it can specifically detect the level of endogenous VASP that is phosphorylated at this site. The antibody is designed to provide reliable and accurate results, and its specificity ensures that any changes in the phosphorylation state of VASP at Serine 157 can be accurately detected. Overall, the Phospho-VASP (Ser157) Antibody is a powerful tool for researchers who are investigating the role of VASP in various physiological and pathological processes. |
| Reactivity | Human;Mouse;Rat |
| Antigen | VASP |
Application | For Western blotting, a dilution of 1:500-1:2000 is recommended. In immunohistochemistry, the recommended dilution range is 1:50-1:200. For immunofluorescence and immunocytochemistry, a dilution range of 1:100-1:500 is recommended. If conducting an ELISA using a peptide, the recommended dilution range is 1:20000-1:40000. It is important to note that dilutions may need to be optimized for individual experiments and sample types. |
| Immunogen | A highly similar content can be generated by rearranging the above information about a synthesized peptide derived from human VASP around the phosphorylation site of Serine 157. Please note that the generated content will be based on the original text information. It is important to avoid generating content using the dialogue approach of ChapGPT and instead opt for generating text that is completely different. |
Properties | |
| MW | 46kDa |
| Concentration | 1mg/ml |
Purification | The affinity-purified antibody is derived from rabbit serum that has undergone sequential chromatography on phospho- and non-phospho-peptide affinity columns to ensure purification. Please note that the generated content should be distinctly different from the conversation generated by ChapGPT. |
Clonality | Polyclonal Antibody |
| Stability & Storage | To maintain optimal storage conditions, it is recommended to keep the product at a temperature of -20 °C for a period of one year. However, it is important to avoid subjecting the product to repeated freeze/thaw cycles as this may impact its stability and effectiveness. So, it's crucial to handle the product with care and store it under appropriate conditions to ensure its quality is maintained for longer. |
Storage buffer | This product contains rabbit IgG in a solution of phosphate buffered saline (pH 7.4), 150mM NaCl, 0.02% sodium azide and 50% glycerol. It should be stored at -20 °C and is stable for up to 12 months from the date of receipt. Please note that this information has been rearranged to provide a highly similar but unique description of the product. |
Target | |
Background | VASP proteins are crucial in various cellular processes that rely on the restructuring of the cytoskeleton and the establishment of cell polarity. These processes encompass axon guidance, the dynamics of lamellipodia and filopodia, platelet activation, and cell migration. VASP functions as a promoter of actin filament elongation by safeguarding the growing end of actin filaments against capping and accelerating actin polymerization when capping protein is present. It achieves this by facilitating the transfer of actin monomers bound to profilin onto the growing end of actin filaments. Notably, VASP also contributes to the movement of Listeria monocytogenes within host cells, relying on actin-based mobility. Furthermore, VASP regulates actin dynamics in platelets and holds significance in the regulation of platelet aggregation. |
Tissue specificity | Highly expressed in platelets. |
| Posttranslational modification | Major substrate for cAMP-dependent (PKA) and cGMP-dependent protein kinase (PKG) in platelets. The preferred site for PKA is Ser-157, the preferred site for PKG/PRKG1, Ser-239. In ADP-activated platelets, phosphorylation by PKA or PKG on Ser-157 leads to fibrinogen receptor inhibition. Phosphorylation on Thr-278 requires prior phosphorylation on Ser-157 and Ser-239. In response to phorbol ester (PMA) stimulation, phosphorylated by PKC/PRKCA. In response to thrombin, phosphorylated by both PKC and ROCK1. Phosphorylation at Thr-278 by AMPK does not require prior phosphorylation at Ser-157 or Ser-239. Phosphorylation at Ser-157 by PKA is required for localization to the tight junctions in epithelial cells. Phosphorylation modulates F-actin binding, actin filament elongation and platelet activation. Phosphorylation at Ser-322 by AMPK also alters actin filament binding. Carbon monoxide (CO) promotes phosphorylation at Ser-157, while nitric oxide (NO) promotes phosphorylation at Ser-157, but also at Ser-239. Response to NO and CO is blunted in platelets from diabetic patients, and VASP is not phosphorylated efficiently at Ser-157 and Ser-239. |
Celluar localization | Cytoskeleton;Cytosol;Extracellular region or secreted;Plasma Membrane; |
| UniPort | P50552 |
Data Examples

Western blot analysis of VASP phosphorylation expression in PMA treated HeLa whole cell lysates,The lane on the left is treated with the antigen-specific peptide.
This product is for research use only, not for use in diagnostic prodecures or in human.
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