Abstract
Background: Phospholemman regulates the plasmalemmal sodium pump in excitable tissues such as the heart.
Results: Phospholemman is palmitoylated at two intracellular cysteines, and this reduces ion transport by the sodium pump.
Conclusion: Phospholemman must be palmitoylated to inhibit the sodium pump.
Significance: This is a potentially new way to regulate the sodium pump, an enzyme expressed in most eukaryotic cells.
| Original language | English |
|---|---|
| Pages (from-to) | 36020-36031 |
| Number of pages | 12 |
| Journal | Journal of Biological Chemistry |
| Volume | 286 |
| Issue number | 41 |
| Early online date | 25 Aug 2011 |
| DOIs | |
| Publication status | Published - 14 Oct 2011 |
Keywords
- Heart
- Na,K-ATPase
- Protein acylation
- Protein palmitoylation
- Protein phosphorylation
- FXYD
- Phospholemman