A histidine-mediated, pendulum-like proton transport mechanism is required for the high catalytic activity of -hydrogenases
Jifu Duan, Yang Zhaoya, Oliver Lampret, Federica Arrigoni, Lukas Van Impel, Feng Zheng, Julian T. Kleinhaus, Ulf‐Peter Apfel, Claudio Greco, Luca DE GIOIA, Eckhard Hofmann, Anja Hemschemeier, Thomas Happe
This study identifies a histidine-mediated pendulum mechanism in [FeFe]-hydrogenases that enhances catalytic activity by facilitating proton transfer.
bioRxiv · Sep 23, 2026 · PreprintBiochemistry