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Engineering the active site of a GH43 glycoside hydrolase generates a biotechnologically significant enzyme that displays both endo- xylanase and exo-arabinofuranosidase activity External Resource: Annotation       Chains Family Name Domain Identifier  Architecture Possible Homology Homology Topology Family Provenance Source (Version)     B DUF1349_1 e3zxlB1   A: beta sandwiches X: jelly-roll H: Concanavalin A-like T: Concanavalin A-like lectins/glucanases F: DUF1349_1 ECOD (1.6)   B Glyco_hydro_43 e3zxlB2   A: beta duplicates or obligate multimers X: beta-propeller-like H: beta-propeller T: 5-bladed F: Glyco_hydro_43 ECOD (1.6)   A DUF1349_1 e3zxlA1   A: beta sandwiches X: jelly-roll H: Concanavalin A-like T: Concanavalin A-like lectins/glucanases F: DUF1349_1 ECOD (1.6)   A Glyco_hydro_43 e3zxlA2   A: beta duplicates or obligate multimers X: beta-propeller-like H: beta-propeller T: 5-bladed F: Glyco_hydro_43 ECOD (1.6)