Table 2.

Numbers of differentially phosphopeptides and phosphoproteins

	0 h specifically modified	24 h specifically modified	0 h/24 h up-phosphorylateda	0 h/24 h down-phosphorylatedb	0 h total	24 h total
Phosphopeptide	441	342	85	202	2108	2009
Phosphoprotein	272	298	53	139	1147	1130

^aThe phosphorylation intensity of 0 h/24 > 2 folds, P < 0.05

^bThe phosphorylation intensity of 0 h/24 < 0.5 folds, P < 0.05