The use of electrospray ionisation Fourier-transform ion cyclotron resonance tandem mass spectrometry (ESI-FTICR-MS/MS) for the analysis of dynamic combinatorial libraries (DCLs) of pseudo-peptide macrocyclic hydrazone oligomers is presented. The design of library building blocks results in mixtures
Assessing enzyme substrate specificity using combinatorial libraries and electrospray ionization-Fourier transform ion cyclotron resonance mass spectrometry
β Scribed by Maria Wigger; Joseph P. Nawrocki; Clifford H. Watson; John R. Eyler; Steven A. Benner
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 111 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0951-4198
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β¦ Synopsis
A model experiment for the 'on-line' screening of substrate libraries by enzymes using combinatorial libraries in combination with electrospray ionization-Fourier transform ion cyclotron resonance (ESI-FTICR) mass spectrometry has been performed. The reaction between the electrophilic substrate 1-chloro-2,4-dinitrobenzene and components of a H-Ξ³-Glu-Cys-Xxx-OH library, catalyzed by glutathione-S-transferase, has been monitored. It shows the feasibility of 'two-dimensional' screening of substrate libraries by ESI-FTICR mass spectrometry.
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