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Nucleotides are composed of a nitrogenous base covalently bound to a 5-carbon sugar molecule and one or more phosphate functional groups. They are the molecules that make up the structural units of DNA and RNA.
MW 546 Da, Purity >95%. Non-hydrolyzable GTP analog. Has an amine group in place of an oxygen atom. Potent adenylate cyclase stimulator. Binds tightly to G-protein in the presence of Mg²+. Forms stable Ras complexes.