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Vav, phosphorylated (Tyr174)

Cat no: V2121-02B


Supplier: United States Biological
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The Vav family are Rho/Rac guanosine nucleotide exchange factors (GEFs), consisting of three members in mammalian cells (Vav, Vav2, Vav3) and one in nematodes (CelVav) (1). First discovered based on its transforming properties, Vav is expressed mainly in hematopoietic cells and a few non-hematopoietic tissues, such as the pancreas and tooth enamels (2). As a signaling transducer, Vav is involved in T-cell activated transduction of T-cell antigen receptor (TCR). T-cell stimulated and tyrosine phosphorylated Vav acts as a catalyst in the exchange of guanosine nucleotides on Rac-1, a GTP binding protein (3). Using a mouse model, Vav expression has been determined to play an essential role in the cyctosketetal, proliferative, and apoptotic pathways for developing lymphoid cells and its signal response (3). Applications: Suitable for use in Immunocytochemistry, Western Blot. Other applications not tested. Recommended Dilution: Western Blot: 1:250,000-1:500,000 Immunocytochemistry: 1:100-1:25 Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. For long-term storage, aliquot and store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees 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. Manufactured incorporating RabMAb(R) technology under Epitomics US patents, No 5,675,063 and 7,429,487, owned by Abcam.
Catalogue number: V2121-02B
Reactivities: Human
Hosts: Rabbit
Applications: Immunocytochemistry, Western Blot
Size: 100ul
Form: Supplied as a liquid in 50 mM Tris-Glycine, pH 7.4, 0.15 M sodium chloride, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
P type: Mab
Isotype: IgG
Purity: Supernatant
References: 1. Bustelo XR. Rev Oncog 7:65-88, 1996. 2. Bustelo XR. Mol Cell Biol 20:1461-1477, 2000. 3. Turner M, et al. Immunity 7:451-460, 1997.
Additional info: Recognizes human Vav phosphorylated at Tyrosine 174.

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