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. 2014 Jun 19;5:200. doi: 10.3389/fphys.2014.00200

Figure 2.

Figure 2

TonEBP is sumoylated in response to hypertonicity. (A) HEK293 cells were transfected with various combinations of TonEBP, Ubc9, and Xpress-tagged SUMO1, SUMO2, or SUMO3, as indicated. After 20 h, the cells were cultured for an additional 4 h in isotonic (I) or hypertonic medium (H). Whole cell extracts (WCE) were prepared and immunoblotted (IB) for TonEBP. Positions of TonEBP and slow TonEBP bands are indicated. (B) Cells were transfected as above and WCE were immunoprecipitated using anti-Xpression antibody. Immunoprecipitates (top) and WCE (bottom) were immunoblotted for TonEBP. Positions of TonEBP and sumoylated TonEBP (SUMO-TonEBP) bands are indicated at right.