It has been demonstrated previously that Enterococcus faecalis produces secreted endoglycosidases that enable the bacteria to remove N-linked glycans from glycoproteins. One enzyme potentially responsible for this activity is EF0114, comprising a typical GH18 endoglycosidase domain and a GH20 domain.
Fungal β-N-acetylhexosaminidases are inducible extracellular enzymes with many biotechnological applications. The enzyme from Penicillium oxalicum has unique enzymatic properties despite its close evolutionary relationship with other fungal hexosaminidases. It has high GalNAcase activity, tolerates substrates with the modified N-acyl group
Journal of mass spectrometry : JMS, 46(7), 649-657 (2011-06-28)
The current project describes the chemoenzymatic modification of bovine ribonuclease B (RNase B) to contain a single glycosylation site with a known glycan. A reactive disaccharide oxazoline derivative was synthesized and stereospecifically added to deglycosylated RNase B through endo-β-N-acetylglucosaminidase M
Endoglycosidase is a class of glycosidases that specifically cleaves the glycosidic bond between two proximal residues of GlcNAc in the pentasaccharide core of N-glycan, leaving the innermost GlcNAc still attached to its parent protein, which provides a different diagnostic maker
The Journal of biological chemistry, 287(14), 11272-11281 (2012-02-10)
Endo-β-N-acetylglucosaminidase from Streptococcus pneumoniae (Endo-D) is an endoglycosidase capable of hydrolyzing the Fc N-glycan of intact IgG antibodies after sequential removal of the sialic acid, galactose, and internal GlcNAc residues in the N-glycan. Endo-D also possesses transglycosylation activity with sugar
Explore strategies for releasing N-linked glycans with PNGase F, PNGase A & native & sequential deglycosylation with endoglycosidases & exoglycosidases.
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