Journal
MOLECULES
Volume 25, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/molecules25030670
Keywords
acetylcholine; conformational preference; density functional theory; neutral hydrolysis
Funding
- Directorate General of Higher Education, Research, and Technology Ministry, Republic of Indonesia through National Collaboration Research grant [563/UN3.14/LT/2018]
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Acetylcholine, which is associated with Alzheimer's disease, is widely known to have conformers. The preference of each conformer to undergo neutral hydrolysis is yet to be considered. In this study, we employed density-functional calculations to build the conformers and investigated their preference in one-step neutral hydrolysis. The results showed the preference in ten possible hydrolysis pathways involving seven acetylcholine conformers (reactant), four transition state structures, and two choline conformers (product). Three out of the seven acetylcholine conformers predicted from the results confirmed experimental findings on the conformers stability. We suggested that two out of ten possible pathways were observed in the experimental results based on agreement in reaction energy. Eventually, this study will emphasize the importance of considering acetylcholine conformers in its hydrolysis study.
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