|
Fraction of singletons (Q) for various subsets of protein-encoding E. coli genes |
||||
| Source |
Protein subset |
Number of proteins |
Number of singletons |
Q |
|
|
||||
| SwissProt |
Monomers |
137 |
87 |
0.6350 |
| Homo-oligomers + monomers |
596 |
333 |
0.5587 |
|
| Hetero-oligomers |
407 |
228 |
0.5602 |
|
| Mid-to-large complexes (homotrimer and above) |
334 |
197 |
0.5898 |
|
| 1 external interaction |
641 |
342 |
0.5335 |
|
| >1 external interaction |
125 |
75 |
0.5000 |
|
| Arifuzzaman et al. 2006 [9] |
1 external interaction |
371 |
193 |
0.5202 |
| >1 external interaction |
1,916 |
1,049 |
0.5475 |
|
| Ragan 2001 [11] |
LGT due to atypical nucleotide composition |
568 |
339 |
0.5968 |
| Beiko et al. 2005 [13] |
LGT by Bayesian phylogenetic analysis |
987 |
607 |
0.6150 |
| PEC database |
Essential genes |
233 |
173 |
0.7425 |
| E. coli average |
4,308 |
2,382 |
0.5529 |
|
Wellner et al. Genome Biology 2007 8:R156 doi:10.1186/gb-2007-8-8-r156 |
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