Several of the steps in protein synthesis on the ribosome utilize hydrolysis of guanosine triphosphate (GTP) as the driving force. This reaction is catalyzed by translation factors that become ...

Adenosine triphosphate (ATP) is a molecule that provides crucial energy to activate a wide array of biological processes, in many organisms including the movement of muscles and the propagation of ...

Through ligand binding, guanosine diphosphate bound by an alpha subunit is interchanged for guanosine triphosphate, causing the G-protein complex to disintegrate. Related Stories.

Guanine is also a component of important biomolecules such as GTP (guanosine triphosphate), which is involved in cellular signaling and protein synthesis. Purines in Cellular Metabolism In addition to ...

We now know that KRAS is a plasma membrane–bound protein 21 and a member of a large family of hundreds of different proteins known as GTPases, enzymes that bind to the nucleotide guanosine ...