Glycosylation, the post-translational modification of a protein, lipid, or nucleic acid with specific carbohydrate chains, is a widespread phenomenon in biology. The two most common forms are N– and O-glycosylation, and the glycans can have significant effects on the properties of the biomolecule. Analysis of glycans is typically done through glycan removal or trimming using endo and/or exo-glycosidases, followed by downstream assays.
Lectenz Bio offers a suite of glycan processing enzymes. These include enzymes PNGase F, PNGase F-II, α2,3 Sialidase, and O-GlcNAcase.
Glycan Processing Enzymes
|Product Name||Catalog Number||Amount||Glycoprotein?||Optimal pH||Activity|
|PNGase F||GE0101||4,000 units; 20,000 units||No||7.5-8.5||Cleaves N-linked glycans without core α1,3 fucose|
|PNGase F-II||GE0201||100 units||No||6.5-7.5||Cleaves N-linked glycans with or without core fucose, both α1,6 and α1,3|
|α2,3 Sialidase||GE0302||5,000 units||No||7.0-7.5||Cleaves terminal α2,3-linked sialic acid|
|O-GlcNAcase||GE0401||1,000 units||No||7.5||Cleaves O-linked β-N-Acetylglucosamine (GlcNAc)|
|FasTEVTM Protease||GE0501||1,000 units||No||6.5-8.0||Cleaves the peptide bond between a glutamine and a glycine or serine of the consensus sequence ENLYFQ▲G/S|
|Thermophilic Fucosidase||GE0601||5,000 units||No||7.0-7.5||Cleaves α1,2/3/6-linked fucose at high temperatures|
Glycoproteins digested with Lectenz Bio PNGase F or PNGase F-II. A. PNGase F is commonly used to cleave N-glycans from mammalian proteins with or without α1,6-core fucosylation, such as bovine ribonuclease B (RNase B). B. PNGase F-II can also cleave RNase B, as well as α1,3-core fucosylated N-glycans from insect or plant proteins, such as horseradish peroxidase (HRP).