FIG 6.
NMR analysis of pellet-associated EPS showing the effect of 241 deletion and complementation. The 600 MHz 1H NMR spectra of EPS from WT and engineered L. johnsonii (pellet samples, D2O, 300°K) are shown. Anomeric signals of EPS1 and EPS2 are labeled 1 and 2, respectively; imp, impurities.