Table 1 The total number of proteins in the different groups of phyletic age/time of duplication analyzed
| Â | Complete dataset | preMD subset | postMD subset | Metazoan-specific subset |
|---|---|---|---|---|
Number of proteins in the mouse proteome | 31,535 (4914) | 2231 (740) | 3699 (618) | 15,394 (1915) |
Number of proteins that are either singleton or duplicate proteinsa | 18,345 (2731) | 811 (291) | 2495 (431) | 9390 (1060) |
Number of singleton proteins | 3961 (603) | 667 (226) | 0 (0) | 1960 (792) |
Number of duplicate proteins | 14,384 (2128) | 144 (65) | 2495 (431) | 7430 (268) |