Glycoprotein & glycopeptide

Glycoprotein & Glycopeptide

Glycoproteins are used as process controls for glycan release, and consecutive release followed by labelling. Glycoprotein standards that are widely available are IgG, mAbs and fetuin. These are useful during endoglycosidase release (N-glycans), hydrazinolysis, Orelea or beta elimination (generally O-glycans) and acid release (during monosaccharide/sialic acid analysis). Fetuin, IgG and mAbs can also be used as process controls for proteolytic digestion during glycopeptide mapping.

Glycopeptides are used as process controls for glycan release, and consecutive release followed by labelling. They are useful during both endoglycosidase release (N-glycans) and acid release (during monosaccharide/sialic acid analysis). They can also be used as purified standards during glycopeptide mapping.

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A2G2S2 quantitative glycopeptide standard

BQ-GPEP-A2G2S2-10U

£296.00

The glycopeptide standard is comprised of an A2G2S2 glycan attached to the asparagine amino acid of a peptide with the sequence Lysine-Valine-Alanine-Asparagine-Lysine-Threonine (KVANKT), 10µg.m/z: 2865.1763

Fetuin glycoprotein standard

GCP-FET-05

£45.00

The Fetuin Glycoprotein Standard is a highly sialylated glycoprotein standard which can be used as a positive control during glycan release and labelling (particularly for DMB sialic acid analysis). Fetuin exists in a variety of glycoforms containing bi-, tri-, and tetraantennary N-linked oligosaccharides with variable sialylation, as well as O-linked glycans.

Fetuin glycoprotein standard

GCP-FET-250U

£30.00

The Fetuin Glycoprotein Standard was developed for use as a positive control during glycan release and labeling (particularly for DMB sialic acid analysis). Fetuin exists in a variety of glycoforms containing bi-, tri-, and tetraantennary N-linked oligosaccharides with variable sialylation, as well as O-linked glycans.

Fetuin glycoprotein standard

GCP-FET-50U-X4

£114.00

Human IgG glycoprotein stantard

GCP-IGG-100U

£45.00

The IgG glycoprotein standard for use during glycan release and labeling. This product is purified from human blood. Human IgG glycoprotein standard contains a mixture of gamma-type antibodies.

Human IgG glycoprotein stantard

GCP-IGG-50U

£30.00

The IgG glycoprotein standard for use during glycan release and labeling.

GPEP FA2 glycopeptide standard

GPEP-FA2-01

£200.00

N/A

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