05-947
Anti-Phosphotyrosine Antibody, clone PY20
clone PY20, Upstate®, from mouse
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About This Item
UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41
Recommended Products
biological source
mouse
Quality Level
antibody form
purified antibody
antibody product type
primary antibodies
clone
PY20, monoclonal
species reactivity (predicted by homology)
vertebrates (common species)
manufacturer/tradename
Upstate®
technique(s)
ELISA: suitable
immunoprecipitation (IP): suitable
western blot: suitable
isotype
IgG2b
shipped in
wet ice
target post-translational modification
phosphorylation (pTyr)
Gene Information
human ... PID1(55022)
General description
Tyrosine phosphorylation represents a major mechanism for the activation of signal transduction pathways in response to growth factors, hormones and cytokines. There are approximately 100 tyrosine kinases that are both receptor tyrsosine kinase receptors for various growth factors and cytokines. The extent and duration of tyrosine phosphorylation are tightly regulated by the 107 protein tyrosine phosphatases. Tyrosine phosphorylation occurs on residues on either other kinases (Ser/Thr or Tyr) or on substrates. In the case of kinases, this phosphorylation often causes the enzyme to change activation states and/or it creates binding sites for SH2 domain. Mutation or misregulation of protein tyrosine kinases is a cause or consequence of many disease states. It has been estimated that 20% of oncogenes so far described are tyrosine kinases. With such clear links between aberrant protein tyrosine kinase activity and disease, it is no surprise that much of the early effort in kinase drug discovery was focused on these enzymes.
Specificity
Reactivity with other species has not been confirmed.
Immunogen
Phosphotyrosine conjugated to carrier protein.
Application
Anti-Phosphotyrosine Antibody, clone PY20 is an antibody against Phosphotyrosine for use in ELISA, IP & WB.
Immunoprecipitation:
Recommended by an independent laboratory to immunoprecipitate tyrosine phosphorylated proteins.
ELISA:
Recommended by an independent laboratory.
Recommended by an independent laboratory to immunoprecipitate tyrosine phosphorylated proteins.
ELISA:
Recommended by an independent laboratory.
Quality
Routinely evaluated by western blot with RIPA lysates EGF-treated human A431 carcinoma cells.
Western Blot Analysis:
0.5-2 μg/mL of this lot detected tyrosine-phosphorylated proteins in RIPA lysates EGFtreated human A431 carcinoma cells.
Western Blot Analysis:
0.5-2 μg/mL of this lot detected tyrosine-phosphorylated proteins in RIPA lysates EGFtreated human A431 carcinoma cells.
Target description
Dependent upon the molecular weight of the tyrosine phosphorylated protein being detected.
Linkage
Replaces: MAB3080
Physical form
0.1M Tris-Glycine, 0.15M NaCl, 0.05% Sodium Azide, pH 7.4. Liquid at 2-8°C.
Format: Purified
Storage and Stability
Stable for 1 year at 2-8°C from date of recipt.
NOTE: DO NOT FREEZE.
For maximum recovery of the product, centrifuge the original vial prior to removing the cap. If the product has accidentally been frozen and thawed, spin it at 13,000 x g for 10 minutes at 2-8°C. Save the supernatant for application.
NOTE: DO NOT FREEZE.
For maximum recovery of the product, centrifuge the original vial prior to removing the cap. If the product has accidentally been frozen and thawed, spin it at 13,000 x g for 10 minutes at 2-8°C. Save the supernatant for application.
Analysis Note
Control
Positive Antigen Control: Catalog #12-302, EGF-stimulated A431 cell lysate. Add 2.5µL of 2-mercaptoethanol/100µL of lysate and boil for 5 minutes to reduce the preparation. Load 20µg of reduced lysate per lane for minigels.
Positive Antigen Control: Catalog #12-302, EGF-stimulated A431 cell lysate. Add 2.5µL of 2-mercaptoethanol/100µL of lysate and boil for 5 minutes to reduce the preparation. Load 20µg of reduced lysate per lane for minigels.
Other Notes
Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.
Legal Information
UPSTATE is a registered trademark of Merck KGaA, Darmstadt, Germany
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Product No.
Description
Pricing
Storage Class Code
12 - Non Combustible Liquids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Find documentation for the products that you have recently purchased in the Document Library.
J R Glenney et al.
Journal of immunological methods, 109(2), 277-285 (1988-05-09)
Phosphotyrosine coupled to KLH, BSA, and OVA was used for the production and screening of antibodies to phosphotyrosine. 800 hybridomas secreting antibodies that bound to phosphotyrosine were detected by ELISA. The most reactive 100 of these 800 were tested subsequently
Inhibitors of protein tyrosine phosphatases: next-generation drugs?
Bialy, Laurent and Waldmann, Herbert
Angewandte Chemie (International ed. in English), 44, 3814-3839 (2005)
Haoran Su et al.
PloS one, 7(2), e31636-e31636 (2012-02-24)
Leptin exerts its action by binding to and activating the long form of leptin receptors (LEPRb). LEPRb activates JAK2 that subsequently phosphorylates and activates STAT3. The JAK2/STAT3 pathway is required for leptin control of energy balance and body weight. Defects
Protein tyrosine phosphatases and signalling.
Stoker, Andrew W
The Journal of Endocrinology, 185, 19-33 (2005)
Anchorage-dependent cell growth: tyrosine kinases and phosphatases meet redox regulation.
Chiarugi, Paola and Giannoni, Elisa
Antioxidants & Redox Signaling, 7, 578-592 (2005)
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