: an energy-rich nucleotide analogous to ATP that is composed of guanine, ribose, and three phosphate groups and is necessary for peptide-bond formation during protein synthesis —called also guanosine triphosphate
Origin of GTP
First Known Use: 1961
Medical Definition of GTP
: an energy-rich nucleotide analogous to ATP that is composed of guanine linked to ribose and three phosphate groups and is necessary for peptide bond formation during protein synthesis—called also guanosine triphosphate
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