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Updated: Jul 3, 2026
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Enzymatic Cascade Reactions for the Synthesis of Chiral Amino Alcohols from L-lysine
Published on: February 16, 2018
Serine Octamer Substitution Reactions With α-Hydroxy Acids.
Keerthana Unni1,2, Brison A Shira1, Dylan T Holden1
1Department of Chemistry, Purdue University, West Lafayette, Indiana, USA.
Rapid Communications in Mass Spectrometry : RCM
|July 2, 2026
Summary
Chiral serine clusters, studied via mass spectrometry (MS), show a preference for specific arrangements. Weak interactions like hydrogen bonds and salt bridges dictate the stereoselective properties of these serine octamer clusters.
Area of Science:
- Chemical Physics
- Biophysical Chemistry
- Supramolecular Chemistry
Background:
- Amino acid serine forms chiral magic number clusters.
- Serine octamer clusters can incorporate nonserine monomers.
- Mass spectrometry (MS) is a key technique for studying these clusters.
Purpose of the Study:
- To investigate the formation and properties of chiral serine clusters.
- To validate the homochiral preference of serine octamers with nonserine monomers.
- To understand the factors controlling stereoselectivity in these clusters.
Main Methods:
- Utilized a Thermo LTQ ion trap mass spectrometer with nanoelectrospray ionization (nESI).
- Employed kinetically and energy-resolved methods for cluster formation studies.
- Investigated chiral preference using tandem MS.
Main Results:
- Studied a range of α-hydroxy acids and related molecules.
- Confirmed the importance of salt bridge formation and α/β-carbon hydrogen bonding.
- Identified weak interactions influencing cluster assembly.
Conclusions:
- Weak interactions, including steric forces, salt bridges, ion-dipole interactions, and hydrogen bonds, are critical.
- These interactions govern the stereoselective and chiroselective properties of serine octamer clusters.
- Provides insights into the self-assembly principles of chiral molecules.
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