Integrating Computational Methods with Experiment Uncovers the Role of Dynamics in Enzyme-Catalysed H-Tunnelling Reactions

We review the role of dynamics in enzyme catalysed H-tunnelling reactions with particular focus on the integration of computational methods with experimental and numerical modelling studies. We show that H-tunnelling requires compressive motion along the H-transfer coordinate and these reactions can be modelled successfully using vibrationally-coupled H-tunnelling models in which barrier compression is driven by fast motions within the enzyme–substrate complex.