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. 2002 Jul 15;3:18. doi: 10.1186/1471-2121-3-18

Figure 8.

Figure 8

The tyrosine phosphorylated Cas substrate domain competes with endogenous Cas for binding to v- and c-crk. a) Cos-7 cells were transfected with vector alone (lane 1), the Src*/Cas(3'SD) chimera alone (lanes 2 and 3), v-crk alone (lane 4) or the Src*/Cas(3'SD) chimera along with v-crk (lane 5). The Src*/Cas(3'SD) chimera or v-crk was then immunoprecipitated and probed for phosphotyrosine. Note that v-crk normally associates with more Cas when transfected alone compared when transfected with the Src*/Cas(3'SD) chimera. b) Cos-7 cells were transfected with vector (lane 1) or the Src*/Cas(SD) chimera (lane 2). Endogenous c-crk was then immunoprecipitated and probed with anti-phosphotyrosine (top panel) or with anti-c-crk (bottom panel).

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