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TLC analysis of products formed after 2 h of incubation of 10 ng of purified A. foetidus 1-SST. (A) Initial sucrose concentration, 500 mM. (B) Without initial sucrose. Lanes: 1 and 2, 300 mM 1-kestose; 3 and 4, 50 mM 1-kestose. Lanes 2 and 4 are controls of the reaction mixture that were not incubated with A. foetidus 1-SST.
