Association of the Src homology 2 domain-containing leukocyte phosphoprotein of 76 kD (SLP-76) with the p85 subunit of phosphoinositide 3-kinase

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Abstract

To investigate additional functions of the T cell adaptor, Src homology 2 (SH2) domain-containing leukocyte protein of 76 kD (SLP-76), we performed a yeast two-hybrid assay using the N-terminal region of SLP-76 fused with the kinase domain of Syk. By screening a human leukemia cDNA library, we identified the p85 subunit of phosphoinositide 3-kinase (PI3K) as one of the interacting molecules. Unlike the SH2 domain of Vav or Nck, tyrosine phosphorylation of SLP-76 at position 113 or 128 was sufficient for it to associate with the N-terminal SH2 of p85. Collectively, these data suggest that SLP-76 may play a role in PI3K signaling pathways. © 2004 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.

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Shim, E. K., Moon, C. S., Lee, G. Y., Ha, Y. J., Chae, S. K., & Lee, J. R. (2004). Association of the Src homology 2 domain-containing leukocyte phosphoprotein of 76 kD (SLP-76) with the p85 subunit of phosphoinositide 3-kinase. FEBS Letters, 575(1–3), 35–40. https://doi.org/10.1016/j.febslet.2004.07.090

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