TABLE 8.
Type of aminoacyl-tRNA synthetase represented in a given taxon
| Taxonomic groupa | Aminoacyl-tRNA synthetase typeb
|
|||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F | L | I | M | V | S | P | T | A | Y | H | Q | N | K | D | E | C | W | R | G | |
| Proteobacteria | ||||||||||||||||||||
| β | B | B | B | A | B | B | B | B | B | B | B | B | B | B | ? | B | ||||
| γ | B | B | B | A | B | B | B | B | B | B | B | B | B | B | ? | B | ||||
| α | B | B | B/A | A/B | B/A | B | B | B | B | A/B | A | B | B | B | B | B | ||||
| ɛ | B | B | B | B | B | B | B | B | B | A | B | B | B | B | B | B | ||||
| Bacillus-Streptococcus | ||||||||||||||||||||
| BES | B | B | B | B | B | B | B | B | B | B | B | B | B | B | ? | B | ||||
| C. acetobutylicum | B | B | A | B | B | B | B | B | B | A | B | B | B | B | ? | A | ||||
| Mycoplasma | B | B | B | B | B | A | B | B | B | B | B | B | B | B | B | A | ||||
| Mycobacteria | B | B | A | B | B | B | B | B | B | B | B/A | B | B | B | B | A | ||||
| Cyanobacteria | B | B | B | B | B | B | B | B | B | B | B | B | B | B | ? | B | ||||
| Aquifex | B | B | B | B | B | B | B | B | B | B | B | B | B | B | B | B | ||||
| Thermotoga | B | B | B | B | B | B | B | B | B | B | B | B | B | B | B | B | ||||
| Chlamydia | B | B | A | A | B | B | B | B | B | B | B | B | B | B | ? | B | ||||
| Spirochetes | A | B | A | A | B | A/B | B | B | B | A | A | B | B | B | ? | A | ||||
| Cytophaga-Chlorobium | B | B | A | A | B | A | B | B | B | A/B | B | B | B | B | ? | A | ||||
| Deinococcus-Thermus | B | B | A | B | B | A | B | B | B | B | B | B | B | B | A | A | ||||
| Archaea | M | MC | MC | mC | MC | P | MC | MC | MC | m | MC | P | MC | M | P | m | MC | mC | ||
| Eukaryotes | A | A | b2,1 | b1 | B3 | b1,4 | B2 | B4 | A | b4 | B | P | B | A | A | A | B2 | A | ||
a
Abbreviations are defined in Table 7 footnote a.
b
Abbreviations: A, synthetase of the archaeal genre; B, synthetase of the bacterial genre. In the Archaea and Eukaryotes section of table: A, synthetase of the archaeal genre; B, synthetase of the bacterial genre; b, eukaryotic synthetase of archaeal genre with closest relatives being bacterial; M, Archaea are monophyletic and exclude the eukaryotes; m, Archaea are monophyletic but include the eukaryotes; C, Archaea comprise euryarchaeal and crenarchaeal groups, and a signature exists for them; P, polyphyletic. Closest relatives: 1, spirochetes; 2, Chlamydia; 3, Proteobacteria; 4, Porphyromonas. ?, uncertain.