Table 2.
Number of genes strictly shared by prokaryotes, by simple match and by reciprocal best match (RBM), at various BLASTP cutoff expectation values
|
147 Prokaryotes
|
130 Bacteria RBM
|
17 Archaea RBM
|
||
|---|---|---|---|---|
| E-value | Simple match | RBM | ||
| 1.0e-3 | 101.5, sd = 46.9 [28-267] | 18.0, sd = 2.8 [12-26] | 63.5 | 153.6 |
| 1.0e-4 | 93.6, sd = 45.6 [26-256] | 16.1, sd = 2.8 [11-24] | 62.6 | 150.1 |
| 1.0e-5 | 87.2, sd = 44.6 [25-248] | 14.8, sd = 2.6 [10-23] | 61.5 | 144.6 |
| 1.0e-7 | 78.1, sd = 42.5 [20-233] | 12.1, sd = 1.9 [7-17] | 59.5 | 133.6 |
| 1.0e-10 | 65.8, sd = 37.0 [15-204] | 10.0, sd = 1.8 [5-14] | 55.3 | 118.6 |
| 1.0e-15 | 35.2, sd = 17.1 [9-147] | 7.4, sd = 1.4 [4-11] | 46.6 | 99.9 |
| 1.0e-20 | 12.1, sd = 3.4 [5-26] | 5.5, sd = 1.1 [3-8] | 38.8 | 83.5 |
| 1.0e-30 | 4.7, sd = 1.5 [2-11] | 2.2, sd = 0.9 [0-4] | 24.5 | 58.8 |
| 1.0e-50 | 1.5, sd = 0.9 [0-5] | 9.9, sd = 0.7 [0-2] | 12.6 | 33.5 |
| 1.0e-100 | 0.0 | 0.0 | 5.9 | 10.5 |
Reported are means, standard deviations (sd), and ranges of estimates (in square brackets), from the perspective of different query genomes. See Table 1 for an explanation of why there is variance in such estimates.