Table 2 COG functional categories. COG (Clusters of Orthologous Genes) functional categories of chromosomal protein codding sequences identified in S. leeuwenhoekii chromosome, and from S. coelicolor for comparison (as calculated by BASys [25] for both genomes)
| Â | Streptomyces leeuwenhoekii | Streptomyces coelicolor | ||
|---|---|---|---|---|
COG functional categories | Percentage | Number | Percentage | Number |
Energy production and conversion | 4 | 270 | 4.1 | 317 |
Cell division and chromosome partitioning | 0.5 | 30 | 0.4 | 31 |
Amino acid transport and metabolism | 6 | 400 | 5.1 | 395 |
Nucleotide transport and metabolism | 1.3 | 89 | 1.2 | 93 |
Carbohydrate transport and metabolism | 6.5 | 433 | 6.5 | 503 |
Coenzyme metabolism | 2.3 | 154 | 2.2 | 170 |
Lipid metabolism | 3.7 | 250 | 3.3 | 255 |
Translation, ribosomal structure and biogenesis | 2.7 | 182 | 2.5 | 193 |
Transcription | 7.3 | 493 | 8.5 | 658 |
DNA replication, recombination and repair | 2.9 | 193 | 2.9 | 224 |
Cell envelope biogenesis, outer membrane | 3 | 204 | 2.9 | 224 |
Cell motility | 0.1 | 5 | 0.1 | 8 |
Posttranslational modification, protein turnover, chaperones | 1.9 | 127 | 1.8 | 139 |
Inorganic ion transport and metabolism | 2.3 | 154 | 2.7 | 209 |
Secondary Structure | 2.8 | 186 | 1.9 | 147 |
General function prediction only | 6.9 | 460 | 7.4 | 572 |
COG of unknown function | 3.6 | 243 | 3.6 | 278 |
Signal Transduction | 3.8 | 256 | 4.2 | 325 |
Unknown | 36.6 | 2458 | 36.7 | 2839 |