Disease phenotype | OMIM | Gene symbol (chromosome) protein |
| Jervell and Lange-Nielsen syndrome | KCNE1 (21q22.1-q22.2) potassium voltage-gated channel, Isk-related family, member 1 | |
| jervell and lange-nielsen syndrome | KCNQ1 (11p15.5) potassium voltage-gated channel, KQT-like subfamily, member 1 |