Table I. Identification of phosphoproteins in the apoplast of plant cells by LC-MS/MS analysis

Spot number corresponds to that shown in Figure 1. A Mascot search was performed (P < 0.05).

Experimental ValueMatched SequencePredicted Protein
SpotMolecular MasspIGenBank gi No.ScoreProtein NameSpeciesGenBank Accession No.
kD
11006.0gi|52834489208α-XylosidaseNasturtiumAJ131520
gi|39866468101
gi|8919178317α-GlucosidasePotatoCAB96077
gi|4163997181α-XylosidaseArabidopsisNM_105527
2908.5gi|15242108155Copper ion bindingArabidopsisNM_124527
31006.0gi|52834489376α-XylosidaseNasturtiumAJ131520
gi|76867473190
gi|39866468110
4905.6Not identified
5756.0gi|33667347113β-GlucosidaseArabidopsisQ9LXD3
gi|37359708212β-XylosidaseTomatoQ76MS4