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You are here:Home » Antibodies » Abs to Disease Markers » Anti -CrkL, phosphorylated (Tyr207) (Crk-like protein, v-crk sarcoma virus CT10 oncogene homolog (avian)-like)

Anti -CrkL, phosphorylated (Tyr207) (Crk-like protein, v-crk sarcoma virus CT10 oncogene
homolog (avian)-like)

Pricing

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Specifications

Clone Host Grade Applications
Polyclonal Rabbit Affinity Purified B IP IH FC
CrkL is a 39kD adaptor protein, originally cloned in proximity to the BCR gene on chromosome 22, which has a key regulatory role in hematopoietic cells. CrkL has one SH2 and two SH3 domains, with 60% homology to CrkII (1). Structurally, the amino-terminal SH3 domain of CrkL has been shown to bind proteins such as C3G, SOS, PI3K, c-Abl or BCR/Abl. The SH2 domain of CrkL can bind to tyrosine-phosphorylated proteins such as Cbl, HEF1, CAS or paxillin (2,3). CrkL is involved in various signalings initiated by different cytokines and growth factors. The biological outcomes of the Crk-activated signal transduction cascades include the modulation of cell adhesion, cell migration, immune cell responses and so on (4). CrkL is a prominent substrate of the BCR/Abl oncoprotein in chronic myelogenous leukemia and binds to both BCR/Abl and c-Abl (5). CrkL was prominently and constitutively tyrosine phosphorylated in CML neutrophils and was not phosphorylated in normal neutrophils. Moreover, stimulation of normal neutrophils with cytokines and agonists did not induce tyrosine phosphorylation of this protein (6), indicating that it may be a useful target for therapeutic intervention or as a disease marker. Tyrosine 207 in CrkL is the BCR/Abl phosphorylation site (7).
Catalog #C7925-50
ApplicationsSuitable for use in Flow Cytometry, Western Blot, Immunoprecipitation, Immunohistochemistry. Other applications not tested.
Recommended DilutionWestern Blot: 1:1000
Immunoprecipitation: 1:50
Immunohistochemistry (Paraffin): 1:200
Flow Cytometry: 1:50
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. For long-term storage, store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Clone TypePolyclonal
IsotypeIgG
HostRabbit
SourceHuman
ConcentrationNot determined
FormSupplied as a liquid in 10mM sodium HEPES, pH 7.5, 150mM sodium chloride, BSA, 50% glycerol.
PurityPurified by Protein A and peptide affinity chromatography.
ImmunogenSynthetic phosphopeptide corresponding to residues surrounding Tyr207 of human CrkL (KLH coupled).
SpecificityDetects endogenous levels of CrkL only when phosphorylated at Tyr207. Slight crossreactivity with Tyr221 phosphorylated CrkII. Does not crossreact with other tyrosine phosphorylated proteins. Species Crossreactivity: Human. Predicted to crossreact with mouse based on 100% sequence homology.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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