Article ID Journal Published Year Pages File Type
2050516 FEBS Letters 2007 6 Pages PDF
Abstract

The very C-terminus of c-Src is a ligand for PDZ domains. In a screen for PDZ domains that interact with c-Src, we identified one of the PDZ domains of the Ligand-of-Numb protein X1 (LNX1), a multiple PDZ domain scaffold and RING type E3 ubiquitin ligase. We demonstrate that the interaction of c-Src with LNX1 depends on the C-terminal PDZ ligand of c-Src. Furthermore, we show that c-Src phosphorylates LNX1. Moreover, c-Src itself is ubiquitinated by LNX1, suggesting an interdependent regulation of c-Src and LNX1.

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