Table 1.
Chloroplast target predictions for Arabidopsis MAPKK family members and putative MKK4 orthologues from other species
| MAPKK | Length (aa) | ChloroP Score | MAPKK | Length (aa) | ChloroP Score |
| ATMKK1 | 308 | 0.445 | ATMKK4 | 366 | 0.555-Y |
| ATMKK2 | 363 | 0.451 | NtMEK2 | 372 | 0.582-Y |
| ATMKK3 | 520 | 0.447 | SIMKK | 368 | 0.567-Y |
| ATMKK4 | 366 | 0.555-Y | PcMKK5 | 356 | 0.523-Y |
| ATMKK5 | 348 | 0.556-Y | StMKK4 | 374 | 0.582-Y |
| ATMKK6 | 356 | 0.460 | LeMKK2 | 359 | 0.586-Y |
| ATMKK7 | 307 | 0.477 | OsMKK4 | 369 | 0.552-Y |
| ATMKK8 | 293 | 0.554-Y | |||
| ATMKK9 | 310 | 0.496 | |||
| ATMKK10 | 305 | 0.472 |
aa, amino acids; Y denotes presence of a chloroplastic transit peptide as predicted by ChloroP. Protein sequences were analyzed using the ChloroP program.