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Dopamine is a key neurotransmitter in the brain involved in many processes, including motor control, reward, and cognition. The dopamine transporter (DAT) is a membrane protein responsible for the uptake of dopamine, thus terminating its function. DAT is a key target for drugs treating Parkinson, ADHD, mood disorders, and schizophrenia, and inhibition of DAT is a central mechanism for drugs such as cocaine. Our collaborators in the Gouaux lab at OHSU have captured the structure of human DAT using cryoEM, together with a competitive inhibitor at its central binding site, and an allosteric inhibitor in an external site. However, the precise binding poses and stability of these inhibitors were unclear. To address these issues, the Resource researchers applied molecular dynamics simulations with NAMD/AMBER and analyzed by VMD to explore the most likely binding poses and stability of the inhibitors. For more details, see our recent publication in Nature.

Editorials

The Future of Biomolecular Modeling

A 2015 TCBG Symposium brought together scientists from across the Midwest to brainstorm about what's on the horizon for computational modeling. See a summary of what these experts foresee. Read more

VMD Illuminated

The software program VMD is a visualization and analysis tool that goes where no microscope can. Trace the trajectory of its development over the last two decades. By Lisa Pollack. Read more

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