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Ras-homologous GTPases constitute a large family of signal transducers that alternate between an activated, GTP-binding state and an inactivated, GDP-binding state. These proteins represent cellular switches that are operated by GTP-exchange factors and factors that stimulate their intrinsic GTPase activity. All GTPases of the Ras superfamily have in common the presence of six conserved motifs involved in GTP/GDP binding, three of which are phosphate-/magnesium-binding sites (PM1-PM3) and three of which are guanine nucleotide-binding sites (G1-G3). Transcript variants encoding distinct isoforms have been identified. [provided by RefSeq, Jul 2008].
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Protein Aliases: Adenovirus E3 14.7 kDa-interacting protein 1; adenovirus E3-14.7K interacting protein 1; FIP-1; GTP-binding protein ragB; Rag A; Rag B; ragB; Ras-related GTP binding A; Ras-related GTP binding B; Ras-related GTP-binding protein A; Ras-related GTP-binding protein B; Ras-related GTP-binding protein ragA; RRAGA; rraga {ECO:0000312|RGD:619804}; RRAGB; rragB {ECO:0000312|RGD:619805}
Gene Aliases: RRAGA; RRAGB
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