AutoDock Vina is a software tool used for molecular docking, which helps researchers predict how small molecules, like drugs, bind to a target protein. It is widely used in computational biology and drug discovery to identify potential drug candidates by simulating their interactions with biological targets. The program is known for its speed and accuracy, making it a popular choice among scientists. AutoDock Vina employs a scoring function to evaluate the binding affinity of the molecules, allowing users to prioritize compounds for further experimental testing. Its user-friendly interface and open-source nature facilitate accessibility for researchers worldwide.