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Glycosylation is a major post-translational protein modification known to affect protein folding, stability, activity, molecular interaction, and functionality. N- and O-linked glycosylations represent the most common types of glycosylation. In mass spectrometry, the ionization of glycopeptides is less efficient compared to nonglycosylated peptides, leading to signal suppression and poor detection of glycopeptides. Therefore, enrichment of glycopeptides prior to mass spectrometry is often required.

The Preciex® glycopeptide enrichment Stage-tip uses a proprietary ZIK Glycocapture Resin to capture high-mannose, hybrid, and complex glycosylated peptides from complex protein mixtures for effective downstream analysis by MALDI and ESI-MS. In combination with the included optimized buffers, the ZIK Glycocapture Resin is highly selective for glycosylated peptides and enriches samples without bias towards or loss of particular glycan structures. The enrichment protocol is optimized for efficient removal of non-glycosylated peptides with close to 100% glycopeptide recovery (as quantitatively assessed by N-Glycan mapping) and offers the flexibility to perform both site-specific determination of the glycan structures and parallel analysis of the attached peptides. Process of use: centrifugation, vacuum, positive pressure.Formats: 10µL and 200µL.

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  *200µL tips are available for different Liquid Handling Automation systems (Zymark, Multiprobe, Tecan, Hamilton, Gilson, Qiagen, and many more) without any further adaptor needed.  

Features of Glycopeptide Stage-tip:

• Higher selectivity for glycopeptides
• Achieve ready-to-measure glycopeptides
• Work efficiently♎ to N-, O-linked and𒈔 glycosylphosphatidylinositol-anchored glycopeptides

• Suitable for manual and automated processing

Common product Specifications:

Sample	Glycopeptide
Chromatographic bed	HILIC resin
Volume	200μL
Capacity	2ug
PH Range	2-12
Temperature	4-60°C
Quantity	96 Tips
Detection Method	HPLC, Mass spectrometry, Capillary electrophoresis, Atomic♋ absorption spectroscopy

Ordering Information:

Description	Format	Capacity	Part Number
Preciex Glycopeptide	10μL	0.5μg	2109001
Preciex Glycopeptide	200μL	2μg	2109022
Preciex Glycopeptide	200μL	10μg	2109103

User Guide

Material Safety Data Sheets (MSDS)