IQGAP1 as signal integrator: Ca2+, calmodulin, Cdc42 and the cytoskeleton

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A family of proteins known as IQGAPs have been identified in yeast, amebas and mammals. IQGAPs are multidomain molecules that contain several protein-interacting motifs which mediate binding to target proteins. Mammalian IQGAP1 is a component of signaling networks that are integral to maintaining cytoskeletal architecture and cell-cell adhesion. Published data suggest that IQGAP1 is a scaffolding protein that modulates cross-talk among diverse pathways in complex regulatory circuits. These pathways include modulating the actin cytoskeleton, mediating signaling by Rho family GTPases and calmodulin, regulating E-cadherin and β-catenin function and organizing microtubules. © 2003 Published by Elsevier Science B.V. on behalf of the Federation of European Biochemical Societies.




Briggs, M. W., & Sacks, D. B. (2003, May 8). IQGAP1 as signal integrator: Ca2+, calmodulin, Cdc42 and the cytoskeleton. FEBS Letters. Elsevier.

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