... retained in the cleft. In the model of IPU,several aromatic and charged residues, Trp277, Tyr349, and Asp371, are p resent in t he v icinity of G ly350, and c ould b efavourable fo r binding of ... catalytic r esidues of I PU. Also, Trp425 of Dex49A, which is the corresponding residue of Trp402 of IPU, is reportedly located in the vicinity of the active site and could form a binding site for a ... of 3.2) [45] was a solution in the Dali result. It islikely that the inte rface between N-terminal and b-he licaldomains participate in binding of the polysaccharide,pullulan.Comparison of...