Catalytic activity:ATP + a protein = ADP + a phosphoprotein. ,enzyme regulation:Activated by RHOA binding. ,Function:Protein kinase that phosphorylates a large number of important signaling proteins , and thereby regulates the assembly of the actin cytoskeleton. Promotes formation of stress fibers and of focal adhesion complexes. Plays a role in smooth muscle contraction. ,miscellaneous:Inhibited by Y-27632. ,PTM:Phosphorylated upon DNA damage , probably by ATM or ATR. ,similarity:Belongs to the protein kinase superfamily. AGC Ser/Thr protein kinase family. ,similarity:Contains 1 AGC-kinase C-terminal domain. ,similarity:Contains 1 PH domain. ,similarity:Contains 1 phorbol-ester/DAG-type zinc finger. ,similarity:Contains 1 protein kinase domain. ,similarity:Contains 1 REM (Hr1) repeat. ,subcellular location:Cytoplasmic , and associated with actin microfilaments and the plasma membrane. ,subunit:Homodimer. Binds RHOA that has been activated by GTP binding. Binds IRS1 , RHOB and RHOC. ,
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