P. F. Liu^#, S. Li^#, J. Y. Zeng#, M. X. Wang, J. L. Du, H. H. Wang, E. H. Xiong*, R. H. Yang*. Creating a Modular Activatable CRISPR-Cas12a System by Engineering crRNA Scaffold with a Steric Hindrance Effector. J. Am. Chem. Soc. 2025, 147, DOI: 10.1021/jacs.5c11227.