Lower MW version ofGK80040for challenging digestions. Releases (2-3)-, (2-6)-, (2-8), and (2-9)-linked N-acetylneuraminic acid from oligosaccharides and glycoproteins. Also capable of releasing N-glycolylneuraminic acid. Lower MW sialidases may help desialylate glycans if steric hindrance is an issue. If you think a lower MW sialidase will help desialylate your glycans, you can also try our88, 66 and 51 kDaSialidase A Sampler Kit.