Moawad, Y., Geissler, E., Roehling, P., Mugridge, J. (2026). Abstract 4116 All aboard the Tunnel Express: how Elp3 uses a conserved molecular tunnel to transport acetate over 20 Å to catalyze tRNA wobble base carboxymethylation. Journal of Biological Chemistry. https://doi.org/10.1016/j.jbc.2026.112055