Sudden death–associated KCNH2 variants exert opposing effects on a nuclear subdomain of the cardiac potassium channel hERG1 - Francisco G. Sanchez-Conde; Matthew R. Goodrich; Olivia M. Stack; Louis N.R. Goldberg; Pamela K. Ruzycki; Abhilasha Jain; Eric N. Jimenez-Vazquez; David K. Jones (Journal of Biological Chemistry, 2026)