Statistical coassembly of glycine receptor alpha1 wildtype and the hyperekplexia mutant alpha1(P250T) in HEK 293 cells: impaired channel function is not dominant in the recombinant system.

Abstract excerpt

The mutant allele GLRA1 (P250T) of the glycine receptor alpha1 subunit gene underlies a dominant form of the human neurological disorder, hyperekplexia. The encoded substitution, residing within the short intracellular TM1-2 loop, leads to dramatically accelerated desensitization and reduced apparent ligand affinity. Here, dominant negative effects of the alpha1(P250T) subunit on receptor function were studied in...

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