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Guanine nucleotide-binding proteins (G proteins) are involved as a modulator or transducer in various transmembrane signaling systems. The beta and gamma chains are required for the GTPase activity, for replacement of GDP by GTP, and for G protein- effector interaction.
guanine nucleotide binding protein (G protein), gamma 4 subunit
, guanine nucleotide binding protein 4
, guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-4