TLC analysis of protein preparations from various yeast strains incubated with 500 mM sucrose for 48 h at room temperature. Extracellular, protein preparation from culture filtrate; intracellular, protein preparation from cell extracts. Lanes: 1, YSH; 2, 112A1NE; 3, 128INV; 4, 112CK14; 5, 112CK14L; 6, 112CK14S. Fructose, sucrose, and 1-kestose were used as standards (St).