Table 3.
Functions of H. salinarum NRC-1 PA parent proteins as classified by KEGG.
| Categorya | Proteinsb | %c |
|---|---|---|
| Energy metabolism | 89 | 100.0 % |
| Carbohydrate metabolism | 120 | 92.3 % |
| Lipid metabolism | 50 | 84.7 % |
| Amino acid metabolism | 175 | 85.4 % |
| Nucleotide metabolism | 85 | 88.5 % |
| Metabolism of cofactors & vitamins | 62 | 72.1 % |
| Transcription | 19 | 65.5 % |
| Translation | 76 | 95.0 % |
| Protein processing | 9 | 100.0 % |
| Replication & repair | 4 | 80.0 % |
| Membrane transport | 54 | 78.3 % |
| Secondary metabolite biosynthesis | 24 | 70.6 % |
| Xenobiotics biodegradation & metabolism | 33 | 75.0 % |
| Signal transduction | 10 | 52.6 % |
| Cell motility | 9 | 90.0 % |
| Metabolism of other amino acids | 16 | 88.9 % |
| Unknownd | 811 | 49.3 % |
| Total detected | 1646 |
a
Categories represent first-level annotations from the KEGG database. Hand-curated annotations were excluded for simplicity.
b
Total number of PA parent proteins per KEGG category.
c
Percentages indicate the fraction of peptides detected out of the total predicted by the H. salinarum NRC-1 genome sequence in each KEGG category.
d
Proteins marked “unknown” had no annotations and were not represented in the KEGG database.