The major delayed rectifier in both Drosophila neurons and muscle is encoded by Shab.

@article{Tsunoda1995TheMD,
  title={The major delayed rectifier in both Drosophila neurons and muscle is encoded by Shab.},
  author={Susan Tsunoda and Lawrence Salkoff},
  journal={The Journal of neuroscience : the official journal of the Society for Neuroscience},
  year={1995},
  volume={15 7 Pt 2},
  pages={
          5209-21
        }
}
The delayed rectifier K+ current in Drosophila is similar to the classical delayed rectifier, originally described by Hodgkin and Huxley. Drosophila provides unique tools of mutant analysis to unambiguously determine the genetic identity of this native K+ current. We identified the Shab gene as the exclusive gene underlying delayed rectifier currents in both muscle and neurons. In muscles, a genetic mutation of Shab removes virtually all the whole cell delayed rectifier current (IK), while… CONTINUE READING

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