beta-D-galactosyl group
beta-d-galactosyl group
A galactosyl group obtained by removing the hydroxy group from the hemiacetal function of β-<small>D</small>-galactose and, by extension, of a lower oligosaccharide having galactose at the reducing end. The unsubstituted parent of the class of β-<small>D</small>-galactosyl groups.