Non-receptor activators of heterotrimeric G-protein signaling (AGS proteins).

Non-receptor activators of heterotrimeric G-protein signaling (AGS proteins).

Cismowski Mary J

Seminars in cell & developmental biology

2006

2006-06

G-protein coupled receptor (GPCR) signaling represents one of the most conserved and ubiquitous means in mammalian cells for transferring information across the plasma membrane to the intracellular environment. Heterotrimeric G-protein subunits play key roles in transducing these signals, and intracellular regulators influencing the activation state and interaction of these subunits regulate the extent and duration of GPCR signaling. One class of intracellular regulator, the non-receptor activators of G-protein signaling (or AGS proteins), are the major focus of this review. AGS proteins provide a basis for understanding the function of heterotrimeric G-proteins in both GPCR-driven and GPCR independent cellular signaling pathways.

*Signal Transduction; Animals; Biological; G-Protein-Coupled/*metabolism; Heterotrimeric GTP-Binding Proteins/*metabolism; Humans; Models; Receptors

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