Fig. 3From: Multimodular fused acetyl–feruloyl esterases from soil and gut Bacteroidetes improve xylanase depolymerization of recalcitrant biomassModel substrates used for the substrate specificity screen and kinetics. a Acetyl esterase substrates (4-methylumbelliferyl acetate, 4-MU-Ac; p-nitrophenyl acetate, pNP-Ac) and b feruloyl esterase substrates (methyl ferulate, MFA; methyl sinapate, MSA; methyl caffeate, MCA; methyl p-coumarate, MpCABack to article page