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Actin-binding protein that enhances membrane ruffling and RAC activation. Enhances the actin-bundling activity of LCP1. Binds calcium. Plays a role in RAC signaling and in phagocytosis. May play a role in macrophage activation and function. Promotes the proliferation of vascular smooth muscle cells and of T-lymphocytes. Enhances lymphocyte migration. Plays a role in vascular inflammation.
Subcellular location: Cytoplasm, Membrane bound
Synonyms: IBA1, IRT1, AIF-1, IRT-1, Allograft inflammatory factor 1, Ionized calcium-binding adapter molecule 1, Protein G1, AIF1, G1