| MMDBr0026033 | Guanosine triphosphate | Guanosine 3',5'-bis(diphosphate) | GTP:AMP phosphotransferase, mitochondrial | Transfer of phosphate group | Not Available | 0 | 2 | RHEA |
| MMDBr0018330 | D-Mannose 1-phosphate | Guanosine diphosphate mannose | Mannose-1-phosphate guanylyltransferase | Transfer of a GMP | Not Available | 0 | 1 | PathBank |
| MMDBr0018479 | Guanosine triphosphate | Guanosine diphosphate mannose | Mannose-1-phosphate guanylyltransferase | Transfer of a GMP | Not Available | 0 | 1 | PathBank |
| MMDBr0024824 | Guanosine triphosphate | GDP-D-glycero-alpha-D-manno-heptose | D-glycero-alpha-D-manno-heptose 1-phosphate guanylyltransferase | Transfer of a GMP | Not Available | 0 | 2 | RHEA |
| MMDBr0025507 | Guanosine triphosphate | Hydrogen Ion | tRNA(His) guanylyltransferase | Transfer of a GMP | Not Available | 0 | 7 | RHEA |
| MMDBr0018110 | L-Aspartic acid | Guanosine diphosphate | Adenylosuccinate synthetase | Synthesis | Not Available | 0 | 1 | PathBank |
| MMDBr0018517 | L-Aspartic acid | Guanosine diphosphate | Adenylosuccinate synthetase | Synthesis | Not Available | 0 | 1 | PathBank |
| MMDBr0018827 | Guanosine triphosphate | Adenosylcobinamide-GDP | Bifunctional adenosylcobalamin biosynthesis protein CobU | Synthesis | Not Available | 0 | 1 | PathBank |
| MMDBr0025388 | L-Glutamic acid | Guanosine diphosphate | Bifunctional F420 biosynthesis protein FbiB | Synthesis | Not Available | 0 | 10 | RHEA |
| MMDBr0018523 | Guanosine triphosphate | dGTP | Anaerobic ribonucleoside-triphosphate reductase | Reduction | Not Available | 0 | 1 | PathBank |
| MMDBr0026029 | L-Cystine | L-Cysteine | Probable adenosylcobalamin-dependent ribonucleoside-triphosphate reductase | Reduction | Not Available | 0 | 12 | RHEA |
| MMDBr0026112 | Guanosine triphosphate | 2'-Deoxyguanosine 5'-triphosphate | Anaerobic ribonucleoside-triphosphate reductase | Reduction | Not Available | 0 | 4 | RHEA |
| MMDBr0026068 | Guanosine triphosphate | Guanosine monophosphate | Nucleoside triphosphate pyrophosphatase | Purine metabolism and pyrimidine metabolism; Hydrolysis of pyrophosphate; Dephosphorylation | Not Available | 0 | 210 | RHEA |
| MMDBr0026072 | Guanosine triphosphate | Guanosine monophosphate | Inosine triphosphate pyrophosphatase | Purine metabolism and pyrimidine metabolism | Not Available | 0 | 29 | RHEA |
| MMDBr0018522 | Guanosine diphosphate | Guanosine triphosphate | Nucleoside diphosphate kinase | Phosphorylation | Not Available | 0 | 1 | PathBank |
| MMDBr0026048 | Guanosine 3',5'-bis(diphosphate) | Guanosine triphosphate | Nucleoside diphosphate kinase | Phosphorylation | Not Available | 0 | 663 | RHEA |
| MMDBr0026056 | Deoxycytidine | Guanosine 3',5'-bis(diphosphate) | Deoxyadenosine/deoxycytidine kinase | Phosphorylation | Not Available | 0 | 3 | RHEA |
| MMDBr0025946 | Guanosine triphosphate | diphosphate | mRNA-capping enzyme subunit alpha | Nucleic acid synthesis and/or repair | Not Available | 0 | 74 | RHEA |
| MMDBr0018424 | Succinyl-CoA | Succinic acid | Succinate--CoA ligase [ADP-forming] subunit beta, mitochondrial | Ligation | Not Available | 0 | 1 | PathBank |
| MMDBr0025986 | Guanosine triphosphate | GMP | RNA-splicing ligase RtcB | Ligation | Not Available | 0 | 12 | RHEA |
| MMDBr0026080 | Guanosine triphosphate | Guanosine monophosphate | Golgi apyrase | Hydrolysis of phosphoanhydride bonds of nucleoside tri- and di-phosphates | Not Available | 0 | 2 | RHEA |
| MMDBr0024750 | Guanosine triphosphate | formate | GTP cyclohydrolase-2 | Hydrolysis of bond; Synthesis | Not Available | 0 | 216 | RHEA |
| MMDBr0018493 | Guanosine triphosphate | Formic acid | GTP cyclohydrolase 1 | Hydrolysis of bond | Not Available | 0 | 1 | PathBank |
| MMDBr0019042 | Guanosine triphosphate | Formic acid | GTP cyclohydrolase 1 | Hydrolysis of bond | Not Available | 0 | 1 | PathBank |
| MMDBr0019044 | Guanosine triphosphate | Formic acid | GTP cyclohydrolase 1 | Hydrolysis of bond | Not Available | 0 | 1 | PathBank |
