| Imformation storage and processing |
| 155 | J | Translation, ribosomal structure and biogenesis |
| 183 | K | Transcription |
| 177 | L | DNA replication, recombination and repair |
| Cellular processes |
| 25 | D | Cell division and chromosome partitioning |
| 128 | O | Posttranslational modification, protein turnover, chaperones |
| 174 | M | Cell envelope biogenesis, outer membrane |
| 165 | N | Cell motility and secretion |
| 205 | P | Inorganic ion transport and metabolism |
| 241 | T | Signal transduction mechanisms |
| Metabolism |
| 193 | C | Energy production and conversion |
| 165 | G | Carbohydrate transport and metabolism |
| 272 | E | Amino acid transport and metabolism |
| 56 | F | Nucleotide transport and metabolism |
| 125 | H | Coenzyme metabolism |
| 104 | I | Lipid metabolism |
| 120 | Q | Secondary metabolites biosynthesis, transport and catabolism |
| Poorly characterized |
| 352 | R | General function prediction only |
| 180 | S | Function unknown |