Abstract:The β-L-arabinofuranosidase from Bifidobacterium longum JCM 1217 (HypBA1), a DUF1680 family member, was recently characterized and classified to the glycoside hydrolase family 127 (GH127) by CAZy. The HypBA1 exerts exo-glycosidase activity to hydrolyze β-1,2-linked arabinofuranose disaccharides from non-reducing end into individual L-arabinoses. In this study, the crystal structures of HypBA1 and its complex with L-arabinose and Zn 2+ ion were determined at 2.23-2.78 Å resolution. HypBA1 consists of three doma… Show more
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