... rearrangements, by inhibiting actinassembly and focal adhesion in many cell types [8,9] throughthe decreased phosphorylation of various proteins [10,11]including MLC [12]. In a previous study of our ... receptor c-chain, leading totyrosine phosphorylation and activation of syk and PLCc2[13,14]. Following activation of GpVI by convulxin, severaladapter molecules are tyrosine phosphorylated and/ orrecruited ... doi:10.1046/j.1432-1033.2002.03305.xsubstratum in many cell types [9,29]. Protein kinase A, onceactivated, phosphorylates myosin light chain kinase(MLCK), thus inhibiting its activity and causing a decrease in MLC phosphorylation...