Figure 1.

Alignment and Structural Prediction of SUT4 Proteins from Tomato, Potato, and Arabidopsis.

The deduced amino acid sequences for AtSUT4 from Landsberg erecta ecotype (GenBank accession number AF175321), LeSUT4 (AF176950), and StSUT4 (AF237780) were aligned by using the Megalign program (DNASTAR, Madison, WI). Amino acids identical to the LeSUT4 sequence are shaded. Locations of 12 potential membrane-spanning domains (TM1 to TM12) as predicted by the TM-Pred program (Hofmann and Stoffel, 1993) are indicated.