Hou, Jun, Xin Yi, Wen-Wen Kong, Yuxin Yang, Fengzhi Yuan, Peijia Li, Hanzhong Feng, Zhuangzhuang Chu, Long Gui, and Yong-Xing He. “An Asymmetric Helicase Dimer Drives 3′-to-5′ DNA Unwinding in Type II Druantia Antiphage Defence”. LangTaoSha Preprint Server, July 8, 2026. Accessed July 27, 2026. https://langtaosha.org.cn/lts/preprint/view/273.