Functional Classes
| 0 Unclassified |
| 1 Adaptation, protection |
| 2 Amino acid biosynthesis and metabolism |
| 3 Antibiotic resistance and susceptibility |
| 4 Biosynthesis of cofactors, prosthetic groups and carriers |
| 5 Carbon compound catabolism |
| 6 Cell division |
| 7 Cell wall / LPS / capsule |
| 8 Central intermediary metabolism |
| 9 Chaperones & heat shock proteins |
| 10 Chemotaxis |
| 11 DNA replication, recombination, modification and repair |
| 12 Energy metabolism |
| 13 Fatty acid and phospholipid metabolism |
| 14 Hypothetical, unclassified, unknown |
| 15 Membrane proteins |
| 16 Motility & Attachment |
| 17 Non-coding RNA gene |
| 18 Nucleotide biosynthesis and metabolism |
| 19 Protein secretion/export apparatus |
| 20 Putative enzymes |
| 21 Quinolone signal response |
| 22 Related to phage, transposon, or plasmid |
| 23 Secreted Factors (toxins, enzymes, alginate) |
| 24 Transcription, RNA processing and degradation |
| 25 Transcriptional regulators |
| 26 Translation, post-translational modification, degradation |
| 27 Transport of small molecules |
| 28 Two-component regulatory systems |