Table 3.
The amino acid compositions of Aux/IAA NLSs in plants.
| Species | Bipartite NLS | SV40-Type NLS | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Part 1 | Part 2 | ||||||||
| KR | De a | Lack b | RxxRK | De a | Lack b | KRxRxxK | De a | Lack b | |
| Ricinus communis | 13 | 0 | 8 | 12 | 8 | 1 | 17 | 4 | 0 |
| Populus trichocarpa | 22 | 0 | 14 | 22 | 10 | 4 | 29 | 6 | 1 |
| Glycine max | 41 | 1 | 21 | 39 | 16 | 8 | 51 | 8 | 4 |
| Prunus persica | 13 | 3 | 8 | 14 | 7 | 3 | 20 | 4 | 0 |
| Gossypium raimondii | 24 | 1 | 18 | 23 | 17 | 4 | 35 | 7 | 2 |
| Arabidopsis thaliana | 16 | 1 | 12 | 12 | 12 | 5 | 21 | 8 | 0 |
| Utricularia gibba | 15 | 0 | 10 | 13× | 12 | 0 | 19 | 3 | 3 |
| Solanum tuberosum | 16 | 0 | 9 | 15 | 6 | 4 | 19 | 4 | 2 |
| Brachypodium distachyon | 12 | 0 | 15 | 14 | 11 | 2 | 20 | 6 | 1 |
| Oryza sativa | 15 | 1 | 15 | 16 | 11 | 4 | 22 | 8 | 1 |
| Zea mays | 19 | 0 | 15 | 15 | 17 | 2 | 24 | 7 | 3 |
| Phalaenopsis equestris | 5 | 3 | 8 | 6 | 6 | 4 | 11 | 1 | 4 |
| Amborella trichopoda | 4 | 1 | 11 | 5 | 3 | 8 | 8 | 5 | 3 |
| Picea abies | 9 | 6 | 16 | 8 | 9 | 14 | 10 | 15 | 6 |
| Selaginella moellendorffii | 0 | 0 | 8 | 0 | 4 | 4 | 4 | 4 | 0 |
| Physcomitrella patens | 2 | 0 | 1 | 0 | 2 | 1 | 2 | 1 | 0 |
a De: degenerated NLS caused by a non-synonymous mutation; b Lack: the typical NLS in the corresponding Aux/IAA protein sequence failed to be detected. “x” means the amino acid is not conservative in the given site.