Hou, J., Yi, X., Kong, W.-W., Yang, Y., Yuan, F., Li, P., Feng, H., Chu, Z., Gui, L., & He, Y. (2026). An asymmetric helicase dimer drives 3′-to-5′ DNA unwinding in type II Druantia antiphage defence. LangTaoSha Preprint Server. https://doi.org/10.65215/LTSpreprints.2026.06.18.000273