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Wählen Sie konfigurierbare Panels & Premixed-Kits - ODER - Kits für die zelluläre Signaltransduktion & MAPmates™
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Die folgenden MAPmates™ sollten nicht zusammen analysiert werden: -MAPmates™, die einen unterschiedlichen Assaypuffer erfordern. -Phosphospezifische und MAPmate™ Gesamtkombinationen wie Gesamt-GSK3β und Gesamt-GSK3β (Ser 9). -PanTyr und locusspezifische MAPmates™, z.B. Phospho-EGF-Rezeptor und Phospho-STAT1 (Tyr701). -Mehr als 1 Phospho-MAPmate™ für ein einziges Target (Akt, STAT3). -GAPDH und β-Tubulin können nicht mit Kits oder MAPmates™, die panTyr enthalten, analysiert werden.
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Gewähltes Kit
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96-Well Plate
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Weitere Reagenzien hinzufügen (MAPmates erfordern die Verwendung eines Puffer- und Detektionskits)
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48-602MAG
Buffer Detection Kit for Magnetic Beads
1 Kit
Platzsparende Option Kunden, die mehrere Kits kaufen, können ihre Multiplex-Assaykomponenten in Kunststoffbeuteln anstelle von Packungen erhalten, um eine kompaktere Lagerung zu ermöglichen.
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Proteinase-activated receptor 4 (UniProt Q96RI0; also known as Coagulation factor II receptor-like 3, PAR-4, Thrombin receptor-like 3) is encoded by the F2RL3 (also known as PAR4) gene (Gene ID 9002) in human. Protease-activated receptors (PARs) constitute a unique family of seven-transmembrane, G-protein-coupled receptors (GPCRs) activated by proteolytic cleavage of their N-terminal propeptide sequence. Once cleaved off, the N-terminal propeptide fragment functions as a ligand and activates the receptor by binding the second extracellular loop. The four PAR family members (PAR-1 to PAR-4) are widely expressed and activated by multiple proteases, and utilize different types of G-proteins (Gi, Gq, and G12/13) for signal transdution depending on the activating protease and cellular context. PAR-4 is expressed on platelets and exhibits a low-affinity for thrombin. However, PAR-4 is able to form hetero-oligomers with both PAR-1 and the ADP receptor P2Y12 to mediate thrombin- and ADP-initiated signaling. PAR-4 cleavage is significantly enhanced through hetero-oligomerization with PAR-1, and PAR-4 interaction with P2Y12 is directly linked to arrestin-2 recruitment and AKT signaling. PAR-4 is a 7-transmembrane (a.a. 83-103, 109-129, 152-172, 192-213, 248-268, 284-304, 320-343) GPCR activated by thrombin cleavage between R47 and G48, having 3 extracellular loops and 3 intracellular loops between the extracellular N-terminal end (a.a. 48-82) the cytoplasmic C-terminal tail (a.a. 344-385).
References
Product Information
Format
Purified
Presentation
Purified mouse monoclonal IgG2bκ antibody in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.
Anti-PAR4 Antibody, clone 14H6 is an antibody against PAR4 for use in Western Blotting, Immunocytochemistry, Flow Cytometry.
Key Applications
Western Blotting
Immunocytochemistry
Flow Cytometry
Application Notes
Immunocytochemistry Analysis: A representative lot detected the expression of exogenously transfected human PAR4 by fluorescent immunocytochemistry staining of 4% formaldehyde-fixed HEK293 Flp-In cells following tetracycline treatment (Mumaw, M.M., et al. (2015). Thromb. Res. 135(6):1165-1171). Immunocytochemistry Analysis: A representative lot detected endogenous PAR4 by fluorescent immunocytochemistry staining of 4% formaldehyde-fixed human platelets. Thrombin treatment diminished PAR4 immunoreactivity (Mumaw, M.M., et al. (2015). Thromb. Res. 135(6):1165-1171) Flow Cytometry Analysis: A representative lot detected tetracycline-induced expression of exogenously transfected human PAR4 on the surface of HEK293 Flp-In cells. Thrombin treatment diminished cell surface PAR4 immunoreactivity (Mumaw, M.M., et al. (2015). Thromb. Res. 135(6):1165-1171). Western Blotting Analysis: A representative lot detected MBP fusion proteins containing human PAR4 fragment a.a. 18-78, 41-66, or 48-72. MBP-PAR4 fusion cleavage by thrombin ablolished target band detection by clone 14H6 (Mumaw, M.M., et al. (2015). Thromb. Res. 135(6):1165-1171). Western Blotting Analysis: A representative lot detected tetracycline-induced expression of exogenously introduced human PAR4 in a HEK293 Flp-In cell line, as well as endogenous PAR4 in isolated human platelets (hPLTs). Thrombin activation of hPLTs diminished PAR4 target band detection (Mumaw, M.M., et al. (2015). Thromb. Res. 135(6):1165-1171).
Biological Information
Immunogen
MBP-conjugated recombinant human PAR4 N-terminal fragment including the propeptide sequence.
Epitope
Near (C-terminal to) the thrombin cleavage site.
Clone
14H6
Concentration
Please refer to lot specific datasheet.
Host
Mouse
Specificity
Clone 14H6 recognizes an epitope near (C-terminal) to the thrombin-cleavage site. Unlike clone 5F10 (Cat. No. MABS1298), clone 14H6 does not protect cell surface PAR4 against thrombin cleavage (Mumaw, M.M., et al. (2015). Thromb. Res. 135(6):1165-1171). Clone 14H6 recognizes prepro- and pro-, but not proteolytically activated, human PAR4. A structual change at the cleavage site following thrombin cleavage is believed to prevent the detection of the activated PAR-4 by clone 5F10.
~45 kDa observed. 41.13/39.16 kDa (prepro-/pro-PAR4) calculated. The broad banding pattern and larger apparent band size is consistent with the detection of glycosylated PAR4. Uncharacterized band(s) may appear in some lysates.
Physicochemical Information
Dimensions
Materials Information
Toxicological Information
Safety Information according to GHS
Safety Information
Product Usage Statements
Quality Assurance
Evaluated by Western Blotting in human platelet lysate.
Western Blotting Analysis: A 1:250 dilution of this antibody detected PAR4 in 50 µg of human platelet lysate.
Usage Statement
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.
