beta-galactosidase
β-ga·lac·to·sid·ase
(gă-lak'tō-sīd'ās),GLB1
A gene on chromosome 3p21.33 that encodes beta-galactosidase-1, a lysosomal enzyme that hydrolyses the terminal beta-galactose from gangliosides and other glycoconjugates.Molecular biology
GLB1 mutations cause GM1-gangliosidosis and mucopolysaccharidosis IV (Morquio B syndrome).