Phosphotyrosine antibody | PY20
Mouse anti Phosphotyrosine
- Product Type
- Monoclonal Antibody
|Mouse anti Phosphotyrosine antibody, clone PY20 recognizes phosphotyrosine, enabling the detection, characterisation and isolation of proteins containing phosphorylated tyrosine residues.
The phosphorylation of tyrosine acts as a important signal in the control of cell mitogenesis, differentiation, proliferation, and migration and occurs following the activation of intracellular tyrosine kinases, including the T-cell receptor (TCR), epidermal growth factor (EGF) and many families of receptor and non-receptor protein tyrosine kinases (PTKs), which catalyse the transfer of ATP to a tyrosine residue on specific cell protein targets.
The binding of PY20 to phosphorylated tyrosines can be inhibited by free phosphotyrosine and phenylphosphate, but not by free phosphate, phosphoserine or phosphothreonine.
The affinity of PY20 for phosphotyrosine is 10-6 to 10-7 M.
- Target Species
- Product Form
- Purified IgG - liquid
- Purified IgG prepared by affinity chromatography from ascites
- Buffer Solution
- Borate buffered saline
- Preservative Stabilisers
- <0.1% Sodium Azide (NaN3)
- Approx. Protein Concentrations
- IgG concentration 0.5 mg/ml
- For research purposes only
- 12 months from date of despatch
Avoid repeated freezing and thawing as this may denature the antibody. Storage in frost-free freezers is not recommended.
|Application Name||Verified||Min Dilution||Max Dilution|
References for Phosphotyrosine antibody
Ruff-Jamison, S. et al. (1991) Heavy and light chain variable region sequences and antibody properties of anti-phosphotyrosine antibodies reveal both common and distinct features.
J Biol Chem. 266 (10): 6607-13.
Takagi, S. et al. (1991) Intracellular localization of tyrosine kinase substrates beneath crosslinked surface immunoglobulins in B cells.
J Exp Med. 174 (2): 381-8.
Glenney, J.R. Jr. et al. (1988) Monoclonal antibodies to phosphotyrosine.
J Immunol Methods. 109 (2): 277-85.
Vendel,A.C. et al. (2009) B and T lymphocyte attenuator regulates B cell receptor signaling by targeting Syk and BLNK.
J Immunol. 182: 1509-17.
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