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G Proteins, Monomeric

A class of monomeric, low Molecular Weight (20-25 kDa) GTP-Binding Proteins that regulate a variety of intracellular processes. The GTP bound form of the protein is active and limited by its inherent GTPase activity, which is controlled by an array of GTPase Activators, GDP Dissociation Inhibitors, and Guanine Nucleotide Exchange Factors. This enzyme was formerly listed as EC 3.6.1.47