SAB4200521
Anti-phospho-VASP [pThr278] antibody produced in rabbit
~0.1 mg/mL, affinity isolated antibody
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Synonym(s):
Anti-Vasodilator-stimulated phosphoprotein
UNSPSC Code:
12352203
NACRES:
NA.41
Recommended Products
biological source
rabbit
Quality Level
conjugate
unconjugated
antibody form
affinity isolated antibody
antibody product type
primary antibodies
clone
polyclonal
form
buffered aqueous solution
mol wt
antigen ~45 kDa
species reactivity
mouse, human, rat
concentration
~0.1 mg/mL
technique(s)
immunoprecipitation (IP): 40 μL using HEK-293T cells overexpressing human VASP
western blot: 1:5000-10000 using human platelets cell lysates
UniProt accession no.
shipped in
dry ice
storage temp.
−20°C
target post-translational modification
phosphorylation (pThr278)
Gene Information
human ... VASP(7408)
mouse ... Vasp(22323)
rat ... Vasp(361517)
General description
VASP is localized at highly dynamic membrane regions, focal adhesion sites, lamellipodia protrusions, filopodia tips, and along stress fibers. It is also localized at cell-matrix and cell-cell contacts.
Vasodilator-stimulated phosphoprotein (VASP) is located on human chromosome 19q13.32. It belongs to enabled (Ena) family of proteins and encodes a protein of 46 kDa. VASP has three domain organisation, that is, an N-terminal Ena/VASP (EVH1) homology domain, proline rich central domain and EVH2 actin binding domain.
Specificity
Anti-phospho-VASP [pThr278] specifically recognizes human VASP phosphorylated at Thr278.
Immunogen
synthetic peptide containing phosphorylated Thr278 of human VASP, conjugated to KLH. The corresponding sequence is identical in mouse and rat VASP.
Application
Anti-phospho-VASP [pThr278] antibody produced in rabbit may be used in immunoblotting and immunoprecipitation.
Biochem/physiol Actions
Regulation of phosphorylation of Vasodilator-stimulated phosphoprotein (VASP) is observed during actin cytoskeleton formation. It promotes protrusion and propulsion speed and inhibits branching of actins. It plays a key role in the signal transduction pathway related to neutrophil spreading.
VASP plays an important role in cell motility and adhesion. This protein is also involved in adherens junction formation and stabilization in epithelial cells. VASP is a substrate for cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP)-dependent protein kinases. VASP is required for endothelial barrier function in vivo. Knockout of VASP proteins in mice leads to increased endothelial permeability causing fatal vascular leakage and hemorrhage during late embryonic development.
Physical form
Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.
Storage and Stability
For continuous use, store at 2-8 °C for up to one month. For extended storage, freeze in working aliquots. Repeated freezing and thawing, or storage in “frost-free” freezers,is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilutions should be discarded if not used within 12 hours.
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
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Cloning of the VASP (vasodilator-stimulated phosphoprotein) genes in human and mouse: structure, sequence, and chromosomal localization
Zimmer M, et al.
Genomics, 36(2), 227-233 (1996)
M Reinhard et al.
The EMBO journal, 14(8), 1583-1589 (1995-04-18)
Profilins are small proteins that form complexes with G-actin and phosphoinositides and are therefore considered to link the microfilament system to signal transduction pathways. In addition, they bind to poly-L-proline, but the biological significance of this interaction is not yet
Differential VASP phosphorylation controls remodeling of the actin cytoskeleton
Benz PM, et al.
Journal of Cell Science, 122(21), 3954-3965 (2009)
AMP-activated protein kinase impairs endothelial actin cytoskeleton assembly by phosphorylating vasodilator-stimulated phosphoprotein
Blume C, et al.
The Journal of Biological Chemistry, 282(7), 4601-4612 (2007)
C Haffner et al.
The EMBO journal, 14(1), 19-27 (1995-01-03)
The vasodilator-stimulated phosphoprotein (VASP), a substrate for cAMP- and cGMP-dependent protein kinases in vitro and in intact cells, is associated with actin filaments, focal adhesions and dynamic membrane regions. VASP, cloned here from human HL-60 and canine MDCK cells, is
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