Nature CommunicationsCRISPR-Cas9 trans-cleavage is hindered by a flanked R-loop, an elongated spacer, and an inactive HNH domainRoser Montagud-MartínezRaúl RuizSara BaldantaRubén Delicado-MateoGuillermo Rodrigo2026-01-24Full textDOI https://doi.org/10.1038/s41467-026-68789-3