The name/synonym for ligand GTP (curated from ChEBI, PubChem, and PDB databases):

1GTP
2GUANOSINE TRIPHOSPHATE
3H4GTP
45'-GTP
5GUANOSINE 5'-(TETRAHYDROGEN TRIPHOSPHATE)
6GUANOSINE 5'-TRIPHOSPHORIC ACID
7GUANOSINE-5'-TRIPHOSPHATE
8GUANOSINE 5'-TRIPHOSPHATE