Crystal structure of β1→6-galactosidase from Bifidobacterium bifidum S17: trimeric architecture, molecular determinants of the enzymatic activity and its inhibition by a-galactose - Godoy, Andre Schutzer; Camilo, Cesar Moises; Kadowaki, Marco Antonio; Muniz, Heloisa dos S.; Espirito Santo, Melissa; Murakami, Mario Tyago; Nascimento, Alessandro Silva; Polikarpov, Igor (FEBS Journal, 2016)