Table 1.
PSORTb v.2.0 predicted localization sites for 405 proteins reported in ten subproteome studies.
| Laboratory Data | PSORTb v.2.0 Predicted Localizationa) | ||||||||||||||
| Organism | Fractiona) | Total | C | C/CM | C/P | CM | CM/P | P | P/OM | OM | OM/EC | EC | UN | Agreementb) | Coveragec) |
| E. coli [64] | C | 23 | 19 | - | - | - | - | 1 | - | - | - | - | 3 | 95.0 | 87.0 |
| Synechocystis [15] | CM | 63 | 13 | 2 | - | 5 | 1 | 6 | - | 5 | 1 | - | 30 | 24.2 | 52.4 |
| Synechocystis [46] | P | 57 | 2 | - | 1 | - | - | 8 | - | 3 | - | - | 43 | 64.3 | 24.6 |
| K. pneumoniae [16] | OM | 3 | - | - | - | - | - | - | - | 3 | - | - | - | 100.0 | 100.0 |
| S. typhimurium [16] | OM | 11 | 2 | - | - | - | - | - | - | 6 | 1 | - | 2 | 77.8 | 81.8 |
| E. coli [17] | OM | 39 | 3 | - | - | - | 1 | 3 | - | 22 | 1 | 1 | 8 | 74.2 | 79.5 |
| P. gingivalis [18] | OM | 6 | - | - | - | - | - | - | - | 2 | - | 1 | 3 | 66.7 | 50.0 |
| P. aeruginosa [13] | OM | 33 | 4 | - | - | 1 | - | - | 1 | 22 | 2 | 1 | 2 | 80.6 | 93.9 |
| P. aeruginosa [13] | EC | 150 | 33 | - | - | 5 | 1 | 33 | - | 9 | 6 | 63 | 6.9 | 58.0 | |
| H. pylori [19] | EC | 20 | 3 | - | - | - | - | 2 | - | 4 | 1 | 1 | 9 | 18.2 | 55.0 |
a) C = cytoplasmic, CM = cytoplasmic membrane, P = periplasmic, OM = outer membrane, EC = extracellular, and UN = unknown.
b) Percentage of agreement is defined by
, where: A represents the number of proteins of the fraction X predicted by PSORTb to be resident at X and X/Y localization sites.
B represents the total number of proteins of the fraction X predicted as not unknown by PSORTb.
c) Percentage of coverage is defined by
, where: B represents the total number of proteins of the fraction X predicted as not unknown by PSORTb.
T represents the total number of proteins identified in the fraction X.