This page delves into the intricacies of small G proteins, their regulatory mechanisms, and their roles in cellular signaling with an emphasis on biochemical pathways involving Ras proteins. It explai...This page delves into the intricacies of small G proteins, their regulatory mechanisms, and their roles in cellular signaling with an emphasis on biochemical pathways involving Ras proteins. It explains the functions of GTPase-activating proteins (GAPs) and guanine nucleotide exchange factors (GEFs) in regulating small G proteins.