Activated PAK1 phosphorylates FLNA (filamin A) on serine residue S2152 in vitro and in vivo. FLNA is involved in PAK1-induced formation of membrane ruffles (Vadlamudi et al. 2002).
Stossel, TP, Li, F, Kumar, R, Vadlamudi, RK, Nguyen, D, Ohta, Y, Adam, L
protein serine/threonine kinase activity of p-S144,T423-PAK1:FLNA [cytosol]
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