Table 2

Prediction of subcellular localization and transmembrane helices


Unknown plant-specific proteins
Known plant-specific proteins
Whole Arabidopsis protein set

TargetP predictions



Any other location
1,073 (53%)
1,006 (55%)
15,706 (58%)
Chloroplast
360 (18%)
253 (14%)
3,972 (15%)
Mitochondria
254 (13%)
178 (10%)
2,963 (11%)
Secretory pathway
330 (16%)
394 (22%)
4,647 (17%)




TMHMM predictions



Membrane associated
220 (11%)
89 (5%)
2,075 (8%)




Total
2,017
1,831
27,288

Total number of protein sequences per category (percentage relative to the total in the group).

Gutiérrez et al. Genome Biology 2004 5:R53   doi:10.1186/gb-2004-5-8-r53