Table 1.
Functional categories for the 146 LBCA protein families.
| Functional category | Number of protein families | Average family size | Average verticality |
|---|---|---|---|
| Ribosomal proteins | 27 | 1082 | 12.260 |
| Translation | 17 | 1083 | 11.803 |
| tRNA charging | 16 | 1058 | 12.618 |
| DNA recombination and repair | 10 | 1055 | 13.165 |
| DNA replication | 9 | 1025 | 12.669 |
| tRNA modification | 9 | 1075 | 11.036 |
| Transcription | 3 | 1091 | 16.123 |
| rRNA modification | 5 | 1056 | 9.513 |
| Carbohydrate and energy metabolism | 10 | 1062 | 9.422 |
| Protein modification, folding, sorting, and degradation | 9 | 1113 | 9.727 |
| Lipid and cell wall metabolism | 8 | 1020 | 9.473 |
| Nucleotide metabolism | 7 | 1073 | 10.712 |
| Metabolism of cofactors and vitamins | 6 | 901 | 7.797 |
| Amino acid metabolism | 5 | 917 | 9.765 |
| Membrane protein targeting | 3 | 984 | 13.823 |
| Cell division | 2 | 1060 | 14.946 |
For each category, the number of protein families annotated, the average family size, and the average verticality (higher meaning less subject to LGT; see “Methods”) are shown.