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Solid-phase Submonomer Synthesis of Peptoid Polymers and their Self-Assembly into Highly-Ordered Nanosheets
Published on: November 2, 2011
A simple strategy for the construction of combinatorial cyclic peptoid libraries
Ji Hoon Lee1, Amanda M Meyer, Hyun-Suk Lim
1Department of Biochemistry and Molecular Biology, Indiana University Simon Cancer Center, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA.
Chemical Communications (Cambridge, England)
|October 5, 2010
Summary
This study introduces a straightforward method for quickly determining cyclic peptoid sequences. A novel ring-opening reaction transforms selected cyclic peptoids into linear ones, enabling easy sequencing without encoding.
Area of Science:
- Chemical Biology
- Organic Chemistry
- Analytical Chemistry
Background:
- Cyclic peptoids are valuable in drug discovery but challenging to sequence.
- Current sequencing methods for cyclic peptoids are often complex and time-consuming.
- High-throughput screening requires efficient methods for sequence determination.
Purpose of the Study:
- To develop a rapid and simple method for determining the sequences of cyclic peptoids.
- To enable efficient analysis of cyclic peptoids identified through high-throughput screening.
- To overcome limitations of existing cyclic peptoid sequencing techniques.
Main Methods:
- A post-screening ring-opening reaction is employed to linearize cyclic peptoids.
- Linearized peptoids are then analyzed using tandem mass spectrometry.
- This approach avoids the need for complex encoding strategies.
Main Results:
- The described method allows for rapid and easy sequence determination of cyclic peptoids.
- The ring-opening strategy effectively converts cyclic structures into linear peptides suitable for MS/MS analysis.
- Successful sequencing was achieved without the use of any encoding tags.
Conclusions:
- This novel method provides a significant advancement in the analysis of cyclic peptoids.
- The technique is compatible with high-throughput screening workflows.
- It offers a simplified and efficient alternative for cyclic peptoid sequence determination.
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