What question did this study set out to answer?

The study aims to understand the role of ions in dopamine transporter dynamics and substrate translocation.

November 11, 2025Journal of Chemical Information and Modeling

Cooperative Ionic Coordination Governs Dopamine Transporter Dynamics and Substrate Translocation: Mechanistic Insights from Molecular Simulations

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Authors

CZCong Zhang PJPu Jiang PLPenghui Li

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Implication

Molecular dynamics simulations reveal how sodium and chloride ions influence dopamine transporter function in neurons, suggesting therapeutic targets for disorders.

Key Points

The study aims to understand the role of ions in dopamine transporter dynamics and substrate translocation.
Employed molecular dynamics simulations
Conducted free energy calculations
Analyzed sequential binding of ions and substrate
Mapped free energy landscape for DA translocation
Identified stabilization of extracellular and intracellular gate closure by Cl- and Na+ respectively
Revealed energetically favorable binding order: Na+ first, then DA, followed by Cl-
Mapped four key intermediate states in DA transport
Characterized stabilizing interactions including salt bridges and hydrogen bonds

Cite This Study

Zhang et al. (2025) studied this question.

synapsesocial.com/papers/69252e90c0ce034ddc355eaf https://doi.org/10.1021/acs.jcim.5c02156

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Implication

Molecular dynamics simulations reveal how sodium and chloride ions influence dopamine transporter function in neurons, suggesting therapeutic targets for disorders.

Cooperative Ionic Coordination Governs Dopamine Transporter Dynamics and Substrate Translocation: Mechanistic Insights from Molecular Simulations

Discussion

Member takes

Implication

Key Points

Cite This Study

Cooperative Ionic Coordination Governs Dopamine Transporter Dynamics and Substrate Translocation: Mechanistic Insights from Molecular Simulations

Discussion

Member takes

Implication

Key Points

Cite This Study

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