Table 3.
Serine deaminases | Threonine deaminases | |||
Organisms | Fe-S* | PLP* | TdcA* | IlvA* |
Pyrococcus horikoshii | - | - | - | - |
Pyrococcus furiosus | - | - | - | - |
Pyrococcus abyssi | - | - | - | - |
Methanobacterium thermoautotrophicum | - | - | - | - |
Thermoplasma acidophilum | - | - | + | - |
Thermoplasma volcanium | - | - | + | - |
Ferroplasma acidarmanus | - | - | + | - |
Methanosarcina barkeri | - | - | - | - |
Archaeoglobus fulgidus | - | - | - | - |
Pyrobaculum aerophilum | - | - | + | - |
Aeropyrum pernix | - | - | + | - |
Sulfolobus solfataricus | - | - | + | - |
Aquifex aeolicus | - | - | - | - |
Thermotoga maritima | - | - | + | - |
Mycobacterium smegmatis | + | - | + | - |
Chlorobium tepidum | - | - | - | - |
Geobacter sulfurreducens | - | - | + | - |
Rhodopseudomonas palustris | - | - | + | - |
*Sequences that were used to query the databases at NCBI [38], at JGI [39] for Fac and Mba, and at ERGO [40] for Paer and Rpa were gi 2501150 (iron-sulfur (Fe-S) serine deaminases), gi 134387 (PLP-dependent serine deaminases), gi 135723 (catabolic threonine deaminase), and gi 135720 (biosynthetic threonine deaminase).