 Detection of mouse MEK1, phosphorylated at Ser298, by immunoblotting. Samples: Whole cell lysate from NIH3T3 cells left untreated (lane 1) or treated with PDGF (lanes 2-7). Primary antibody: PhosphoDetect™ Anti-MEK1 (pSer298) Rabbit pAb (Cat. No. ST1015) (1:1000) pre-incubated without peptide (lanes 1, 2, 6, 7), or with non-phosphopeptide corresponding to the immunogen (lane 3), a generic phosphoserine-containing peptide (lane 4), or phosphopeptide immunogen (lane 5). Detection: chemiluminescence.
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