Article
Characterization of S818L mutation in HERG C-terminus in LQT2. Modification of activation-deactivation gating properties.
FEBS letters - 15 Sept 2000
Nakajima T, Kurabayashi M, Ohyama Y, Kaneko Y, Furukawa T, Itoh T, Taniguchi Y, Tanaka T, Nakamura Y, Hiraoka M, Nagai R
Abstract excerpt
We examined the mechanism(s) for HERG channel dysfunction in an S818L mutation in the HERG C-terminus using the heterologous expression system in Xenopus oocytes. Injection of S818L cRNA alone did not produce expressed currents. Coinjection of an equal amount of S818L cRNA with wild-type (WT) cRNA into oocytes did not exhibit apparent dominant-negative suppression. However, coinjection of excess amounts of S818L...
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