CovalX HM5
CovalX HM5

Crosslinking Kits

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CovalX Crosslinking Kits

Because of the tendency of these complexes to dissociate during analysis, the analysis of protein complexes by mass spectrometry is typically labor intensive. CovalX has developed a method for the easy and fast analysis of protein complexes using High-Mass MALDI mass spectrometry coupled with chemical crosslinking. The first step of the analysis is to stabilize the noncovalent complexes of interest using the CovalX dedicated cross-linking reagents and protocols. After stabilization, the sample is ready for direct analysis by High-Mass ToF mass spectrometry.

To effectively analyze intact protein complexes by High-Mass MALDI ToF mass spectrometry, it is crucial to stabilize specifically the complexes with highly efficient cross-linking reagents. CovalX has developed dedicated reagent and buffers to prepare non-covalent protein complexes for High-Mass MALDI analysis. To increase cross-linking efficiency, CovalX’s reagents contain cocktails of cross-linkers with different spacer lengths able to covalently bind specific protein complexes with the highest efficiency. The specificity of CovalX cross-linking reagents allows you to covalently stabilize linked protein complexes even in contaminated or unpurified samples.

MALDI MS Analysis Kits and Reagents for Protein Interactions:

MALDI MS Analysis Kits and Reagents Mass Range Part No.
K50 MALDI MS Analysis Kit 0-50 kDa W2010k50
K100 MALDI MS Analysis Kit 20-100 kDa W2010k100
K200 MALDI MS Analysis Kit 100-1000 kDa W2010k200
R50 Stabilizer Reagent 0-50 kDa W2010R50
R100 Stabilizer Reagent 20-100 kDa W2010R100
R200 Stabilizer Reagent 100-1000 kDa W2010R200
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