Guanosine Triphosphate

**Semantic type:** Nucleic Acid, Nucleoside, or Nucleotide

**Definition:** A purine nucleotide triphosphate comprised of a guanine and a triphosphate moiety bound to a ribose moiety at its 1' and 5' sites, respectively. Guanosine triphosphate (GTP) can be utilized as a substrate for nucleic acid (DNA and RNA) synthesis, as an energy source for protein synthesis and gluconeogenesis, and as a signaling molecule.

**Synonyms:** - GTP - GUANOSINE TRIPHOSPHATE - Guanosine 5'-(Tetrahydrogen Triphosphate)