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. 2010 Feb 12;5(2):e9197. doi: 10.1371/journal.pone.0009197

Figure 1. Raptor is phosphorylated on S/T*-P sites in cells treated with nocodazole.

Figure 1

(A) Raptor undergoes a mobility shift on SDS-PAGE following nocadazole which is collapsed by phosphatase treatment. Myc-tagged raptor was expressed in HEK293T cells and nocadazole treated for 16 h. Where indicated, immunoprecipitates were treated with or without calf-intestinal alkaline phosphatase (CIP) and then resolved in SDS-PAGE, and subjected to anti-myc immunoblotting. (B) Raptor is recognized by a phospho-threonine proline antibody in mitotic arrested cells. HEK293T cells transiently expressing myc-tagged raptor were treated for 16 h with taxol and immunoprecipitates were immunoblotted with an antibody that recognizes phospho-threonine followed by proline.