- Abstract:
-
The sulphonylurea receptor (SUR1) subunit of the ATP-sensitive potassium (K ATP) channel is a member of the ATP-binding cassette (ABC) protein family. Binding of MgADP to nucleotide-binding domain 2 (NBD2) is critical for channel activation. We identified a residue in NBD2 (G1401) that is fully conserved among ABC proteins and whose functional importance is unknown. Homology modelling places G1401 on the outer surface of the protein, distant from the nucleotide-binding site. The ATPase activi...
Expand abstract - Publisher copy:
- 10.1113/jphysiol.2012.236075
-
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- Journal:
- Journal of Physiology
- Volume:
- 590
- Issue:
- 20
- Pages:
- 5025-5036
- Publication date:
- 2012-10-05
- DOI:
- EISSN:
-
1469-7793
- ISSN:
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0022-3751
- URN:
-
uuid:d1c15471-9d85-4cf2-874c-4d8f7ec96e22
- Source identifiers:
-
356691
- Local pid:
- pubs:356691
- Language:
- English
- Copyright date:
- 2012
Journal article
A universally conserved residue in the SUR1 subunit of the K ATP channel is essential for translating nucleotide binding at SUR1 into channel opening
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