Product Pathways - Tyrosine Kinase / Adaptors
Phospho-Met (Tyr1234/1235) (D26) XP® Rabbit mAb (Alexa Fluor® 594 Conjugate) #8564
|8564S||100 µl (50 tests)||---||In Stock||---|
|8564||carrier free and custom formulation / quantity||email request|
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|IF-IC||1:50||Human, Mouse, Rat||Endogenous||Rabbit|
Species cross-reactivity is determined by western blot using the unconjugated antibody.
Applications Key: IF-IC=Immunofluorescence (Immunocytochemistry)
Specificity / Sensitivity
Phospho-Met (Tyr1234/1235) (D26) XP® Rabbit mAb (Alexa Fluor® 594 Conjugate) detects endogenous levels of Met only when phosphorylated at Tyr1234/1235. This antibody may cross-react with overexpressed tyrosine phosphorylated Src proteins in western blot.
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Tyr1234/1235 of human Met protein.
This Cell Signaling Technology antibody is conjugated to Alexa Fluor® 594 fluorescent dye and tested in-house for direct immunofluorescent analysis in human cells. The antibody is expected to exhibit the same species cross-reactivity as the unconjugated Phospho-Met (Tyr1234/1235) (D26) XP® Rabbit mAb #3077.
Met, a high affinity tyrosine kinase receptor for hepatocyte growth factor (HGF, also known as scatter factor) is a disulfide-linked heterodimer made of 45 kDa α- and 145 kDa β-subunits (1,2). The α-subunit and the amino-terminal region of the β-subunit form the extracellular domain. The remainder of the β-chain spans the plasma membrane and contains a cytoplasmic region with tyrosine kinase activity. Interaction of Met with HGF results in autophosphorylation at multiple tyrosines, which recruit several downstream signaling components, including Gab1, c-Cbl, and PI3 kinase (3). These fundamental events are important for all of the biological functions involving Met kinase activity. The addition of a phosphate at cytoplasmic Tyr1003 is essential for Met protein ubiquitination and degradation (4). Phosphorylation at Tyr1234/1235 in the Met kinase domain is critical for kinase activation. Phosphorylation at Tyr1349 in the Met cytoplasmic domain provides a direct binding site for Gab1 (5). Research studies have shown that altered Met levels and/or tyrosine kinase activities are found in several types of tumors, including renal, colon, and breast. Thus, investigators have concluded that Met is an attractive potential cancer therapeutic and diagnostic target (6,7).
- Cooper, C.S. et al. (1984) Nature 311, 29-33.
- Bottaro, D.P. et al. (1991) Science 251, 802-4.
- Bardelli, A. et al. (1997) Oncogene 15, 3103-11.
- Taher, T.E. et al. (2002) J Immunol 169, 3793-800.
- Schaeper, U. et al. (2000) J Cell Biol 149, 1419-32.
- Eder, J.P. et al. (2009) Clin Cancer Res 15, 2207-14.
- Sattler, M. and Salgia, R. (2009) Update Cancer Ther 3, 109-118.
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- 3077 Phospho-Met (Tyr1234/1235) (D26) XP® Rabbit mAb
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- 4091 Phospho-Met (Tyr1234/1235) (D26) XP® Rabbit mAb (Sepharose Bead Conjugate)
- 1645 Phospho-Met (Tyr1234/1235) Blocking Peptide
- 3148 Met (L41G3) Mouse mAb
- 3127 Met (25H2) Mouse mAb
- 4560 Met Antibody
- 3129 Phospho-Met (Tyr1234/1235) (3D7) Rabbit mAb
- 3126 Phospho-Met (Tyr1234/1235) Antibody
- 3135 Phospho-Met (Tyr1003) (13D11) Rabbit mAb
- 3133 Phospho-Met (Tyr1349) (130H2) Rabbit mAb
- 3121 Phospho-Met (Tyr1349) Antibody
For Research Use Only. Not For Use In Diagnostic Procedures.
XP® is a trademark of Cell Signaling Technology, Inc.
DRAQ5® is a registered trademark of Biostatus Limited.
Cell Signaling Technology® is a trademark of Cell Signaling Technology, Inc.
The Alexa Fluor® dye antibody conjugates in this product are sold under license from Molecular Probes, Inc., for research use only, except for use in combination with DNA microarrays. The Alexa Fluor® dyes (except for Alexa Fluor® 430 dye) are covered by pending and issued patents. Alexa Fluor® is a registered trademark of Molecular Probes, Inc.