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TNK1, phosphorylated (Tyr277) (Non-receptor Tyrosine-protein Kinase TNK1, CD38 Negative Kinase 1)

TNK1, phosphorylated (Tyr277) (Non-receptor Tyrosine-protein Kinase TNK1, CD38 Negative Kinase 1)

Cat no: T6999-75E

Supplier: United States Biological
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Tyrosine kinase non-receptor 1 (TNK1) is related to the Ack1 (TNK2) non-receptor kinase that binds cdc42 and inhibits GTPase activity of this cell cycle regulator. TNK1 is broadly expressed in embryogenic tissues and leukemia cell lines, but is restricted to select adult tissues (1). TNK1 is a putative 72kD protein comprised of an N-terminal kinase domain, a central SH3 domain and a proline-rich tail. Interaction with PLCy in vitro indicates a possible role in phospholipid signal transduction pathways (2). Though the exact mechanism is currently unclear, active TNK1 may play a role in regulating cell death by preventing TNF-a-induced NF-kB transactivation (3). Phosphorylation of TNK1 on Tyr277 was identified, CST's LC-MS/MS platform for phosphorylation site discovery (4) and also reported independently in another publication us- ing MS technology (5). Phosphorylation of TNK1 at Tyr277 was observed in select carcinoma cell lines and in tumors. A constitutively active, 58kD truncated TNK1 kinase result- ing from fusion between the TNK1 and C17orf61 genes is seen in some cells (5). Applications: Suitable for use in Western Blot. Other applications not tested. Recommended Dilution: Western Blot: 1:1000 Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Catalogue number: T6999-75E
Reactivities: Human, Mouse, Rat
Hosts: Rabbit
Applications: Western Blot
Size: 100ul
Form: Supplied as a liquid in 10mM sodium HEPES, pH 7.5, 150mM sodium chloride, 100ug/ml BSA, <0.02% sodium azide, 50% glycerol.
P type: Mab
Isotype: IgG
Purity: Supernatant
References: 1.Hoehn, G.T. et al. (1996) Oncogene 12, 903-13. 2.Felschow, D.M. et al. (2000) Biochem Biophys Res Commun 273, 294-301. 3.Azoitei, N. et al. (2007) Oncogene 26, 6536-45. 4.Rush, J. et al. (2005) Nat Biotechnol 23, 94-101. 5.Gu, T.L. et al. (2010) Leukemia 24, 861-5.
Additional info: Recognizes endogenous levels of human TNK1 only when the amplified gene product is phosphorylated at Tyr277. Species Crossreactivity: Mouse and rat.

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