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Immunodetection of phosphorylated recombinant flag-SLC41A1

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posted on 2013-08-15, 03:59 authored by Martin Kolisek, Gerhard Sponder, Lucia Mastrototaro, Alina Smorodchenko, Pierre Launay, Juergen Vormann, Monika Schweigel-Röntgen

(wt), HA-strep-SLC41A1 (wt), and HA-strep-SLC41A1-p.A350V with the PhosphoProtein purification kit (Qiagen). Total (T), flow-through (U; containing unphosphorylated proteins) and elution (P; containing phosphorylated proteins) fractions were probed with antibodies against strep- or flag-tag. A signal specific for phosphorylated wt or p.A350V was detected in all three cell lines. The specificity of the fractionation was controlled with an antibody against phosphorylated Akt.

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