Beta-mannosidase, Lysosomal beta A mannosidase, Mannanase, Mannase, MANBA/MANB1, exoglycosidase, N-linked glycoprotein oligosaccharides, lysosome, fibroblasts, neutrophils neurons, glia, peripheral nervous systerm, central nervous system, myelin health, Mannosidoisis beta A, mental retardation, hearing loss, speech activities, Lysosome, hydrolase, carbohydrate metabolic process, glycoprotein, beta-mannosidase, and mannose