Sialidase-4 (NEU4)

May function in lysosomal catabolism of sialylated glycoconjugates. Has sialidase activity towards synthetic substrates, such as 2'-(4-methylumbelliferyl)-alpha-D-N- acetylneuraminic acid (4-MU-NANA or 4MU-NeuAc).

Has a broad substrate specificity being active on glycoproteins, oligosaccharides and sialylated glycolipids. .