Table 5 Distribution of Ni-dependent enzymes in archaea
From: Comparative genomic analyses of nickel, cobalt and vitamin B12 utilization
Phylum | Total organisms | Ni-utilizing organisms | Ni-utilizing organisms containing different Ni-dependent proteins | ||||
|---|---|---|---|---|---|---|---|
| Â | Â | Â | Urease | Ni-Fe hydrogenase | Ni-CODH | CODH/ACS | MCR* |
Nanoarchaeota | 1 | - | - | - | - | - | - |
Crenarchaeota/Thermoproteales | 6 | 4 | - | 4 | - | - | - |
Crenarchaeota/Desulfurococcales | 4 | 3 | - | 3 | - | - | - |
Crenarchaeota/Sulfolobales | 4 | 3 | 2 | 2 | - | - | - |
Euryarchaeota/Thermoplasmales | 4 | 3 | - | 3 | - | - | - |
Euryarchaeota/Archaeoglobales | 1 | 1 | - | 1 | 1 | 1 | - |
Euryarchaeota/Halobacteriales | 5 | 3 | 3 | - | - | - | - |
Euryarchaeota/Methanosarcinales | 5 | 5 | - | 3 | 4 | 5 | 5 |
Euryarchaeota/Thermococcales | 4 | 4 | - | 4 | - | - | - |
Euryarchaeota/Methanococcales | 5 | 5 | - | 5 | 1 | 5 | 5 |
Euryarchaeota/Methanopyrales | 1 | 1 | - | 1 | 1 | 1 | 1 |
Euryarchaeota/Methanobacteriales | 3 | 3 | - | 3 | - | 1 | 3 |
Euryarchaeota/Methanomicrobiales | 4 | 4 | - | 4 | 2 | 2 | 4 |
Total | 47 | 39 | 5 | 33 | 9 | 15 | 18 |