Table 1.
Assignment of enzymes sets to groups depending on archaebacterial phylogeny
| Group A | Group B | Group C |
|---|---|---|
| Hydroxymethylglutaryl-CoA reductase | Lactate dehydrogenase | IMP dehydrogenase |
| DNA-dependent RNA polymerase | Glyceraldehyde-3-phosphate dehydrogenase B* | Glyceraldehyde-3-phosphate dehydrogenase B† |
| Enolase* | Glycine hydroxymethyltransferase | Dihydrofolate reductase |
| Isoleucyl-tRNA synthetase | Pyruvate kinase | Ornithine transcarbamoylase |
| Argininosuccinate synthase | Phosphoglycerate kinase | Dimethylallylamine transferase |
| Isocitrate dehydrogenase | Dihydrolipoamide dehydrogenase* | Dihydrolipoamide dehydrogenase† |
| Aspartate transcarbamoylase | Ribose-phosphate pyrophosphokinase | Nucleoside diphosphate kinase |
| Histidyl-tRNA synthetase | Argininosuccinate lyase | Porphobilinogen synthase |
| UDP-glucose epimerase | DNA topoisomerase | |
| Triose-phosphate isomerase | Seryl-tRNA synthetase† | |
| Enolase† | Glutamate–ammonia ligase | |
| Valyl-tRNA synthetase | Carbamoyl-phosphate synthase N | |
| Threonyl-tRNA synthetase | Carbamoyl-phosphate synthase C | |
| Adenylosuccinate synthase | ||
| Aldehyde dehydrogenase | ||
| Seryl-tRNA synthetase* | ||
| Dihydroorotate oxidase |
*
Methanogen.
†
Halobacterium.