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. 2015 Mar 24;10(3):e0121445. doi: 10.1371/journal.pone.0121445

Fig 2. Transglycosylation reactions catalyzed by 19 mutants.

Fig 2

(a) Lactose self-condensation. Lane 1, standard glucose plus galactose; lane 2, galactose plus lactose; lane 3, lactose. (b) Transglycosylation toward hydroquinone using lactose as donor. Lane 1, lactose; lane 2, hydroquinone (invisible in the plate); lane 3 and 4, reactions by the wild type and the W980F mutant only in the presence of the lactose, respectively. The capital letters ‘W’ to ‘P’ represent the results from crude enzymes bearing relevant amino-acid substitutions at the 980 site.