MeSH definition : A non-hydrolyzable analog of GTP, in which the oxygen atom bridging the beta to the
gamma phosphate is replaced by a nitrogen atom. It binds tightly to G-protein in the
presence of Mg2 . The nucleotide is a potent stimulator of ADENYLYL CYCLASES.;
A non-hydrolyzable analog of GTP, in which the oxygen atom bridging the beta to the
gamma phosphate is replaced by a nitrogen atom. It binds tightly to G-protein in the
presence of Mg2 . The nucleotide is a potent stimulator of ADENYLYL CYCLASES.