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Binding mechanism of naringenin with monoamine oxidase – B enzyme: QM/MM and molecular dynamics perspective
The reduced level of dopamine at midbrain (substantia nigra) leads to Parkinson disease by the influence of monoamine oxidation process of monoamine oxidase B (MAO-B) enzyme. This disease mostly affects the aged people. Reports outline that the naringenin molecule acts as an inhibitor of MAO-B enzym...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Elsevier
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8055563/ https://www.ncbi.nlm.nih.gov/pubmed/33898820 http://dx.doi.org/10.1016/j.heliyon.2021.e06684 |
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author | Govindasamy, Hunday Magudeeswaran, Sivanandam Kandasamy, Saravanan Poomani, Kumaradhas |
author_facet | Govindasamy, Hunday Magudeeswaran, Sivanandam Kandasamy, Saravanan Poomani, Kumaradhas |
author_sort | Govindasamy, Hunday |
collection | PubMed |
description | The reduced level of dopamine at midbrain (substantia nigra) leads to Parkinson disease by the influence of monoamine oxidation process of monoamine oxidase B (MAO-B) enzyme. This disease mostly affects the aged people. Reports outline that the naringenin molecule acts as an inhibitor of MAO-B enzyme and it potentially prevents the development of PD. To elucidate the binding mechanism of naringenin with MAO-B, we performed the molecular docking, QM/MM and molecular dynamics (MD) simulations. The molecular docking results confirm that the naringenin strongly binds with the substrate binding site of MAO-B enzyme (-12.0 kcal/mol). The low values of RMSD, RMSF and Rg indicate that the naringenin – MAO-B complex is stable over the entire period of MD simulation. Naringenin forms strong interaction with the orient keeper residue Tyr326 and other binding site residues Leu171, Glu206 and these interactions were maintained throughout the MD simulation. It is also important to block the function of MAO-B enzyme. The QM/MM study coupled with the charge density analysis reveals the charge density distribution and the strength of intermolecular interactions of naringenin-MAO-B complex. The above results suggest that this molecule is a potential inhibitor of MAO-B enzyme. |
format | Online Article Text |
id | pubmed-8055563 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | Elsevier |
record_format | MEDLINE/PubMed |
spelling | pubmed-80555632021-04-22 Binding mechanism of naringenin with monoamine oxidase – B enzyme: QM/MM and molecular dynamics perspective Govindasamy, Hunday Magudeeswaran, Sivanandam Kandasamy, Saravanan Poomani, Kumaradhas Heliyon Research Article The reduced level of dopamine at midbrain (substantia nigra) leads to Parkinson disease by the influence of monoamine oxidation process of monoamine oxidase B (MAO-B) enzyme. This disease mostly affects the aged people. Reports outline that the naringenin molecule acts as an inhibitor of MAO-B enzyme and it potentially prevents the development of PD. To elucidate the binding mechanism of naringenin with MAO-B, we performed the molecular docking, QM/MM and molecular dynamics (MD) simulations. The molecular docking results confirm that the naringenin strongly binds with the substrate binding site of MAO-B enzyme (-12.0 kcal/mol). The low values of RMSD, RMSF and Rg indicate that the naringenin – MAO-B complex is stable over the entire period of MD simulation. Naringenin forms strong interaction with the orient keeper residue Tyr326 and other binding site residues Leu171, Glu206 and these interactions were maintained throughout the MD simulation. It is also important to block the function of MAO-B enzyme. The QM/MM study coupled with the charge density analysis reveals the charge density distribution and the strength of intermolecular interactions of naringenin-MAO-B complex. The above results suggest that this molecule is a potential inhibitor of MAO-B enzyme. Elsevier 2021-04-08 /pmc/articles/PMC8055563/ /pubmed/33898820 http://dx.doi.org/10.1016/j.heliyon.2021.e06684 Text en © 2021 Published by Elsevier Ltd. https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
spellingShingle | Research Article Govindasamy, Hunday Magudeeswaran, Sivanandam Kandasamy, Saravanan Poomani, Kumaradhas Binding mechanism of naringenin with monoamine oxidase – B enzyme: QM/MM and molecular dynamics perspective |
title | Binding mechanism of naringenin with monoamine oxidase – B enzyme: QM/MM and molecular dynamics perspective |
title_full | Binding mechanism of naringenin with monoamine oxidase – B enzyme: QM/MM and molecular dynamics perspective |
title_fullStr | Binding mechanism of naringenin with monoamine oxidase – B enzyme: QM/MM and molecular dynamics perspective |
title_full_unstemmed | Binding mechanism of naringenin with monoamine oxidase – B enzyme: QM/MM and molecular dynamics perspective |
title_short | Binding mechanism of naringenin with monoamine oxidase – B enzyme: QM/MM and molecular dynamics perspective |
title_sort | binding mechanism of naringenin with monoamine oxidase – b enzyme: qm/mm and molecular dynamics perspective |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8055563/ https://www.ncbi.nlm.nih.gov/pubmed/33898820 http://dx.doi.org/10.1016/j.heliyon.2021.e06684 |
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