Mutating the highly conserved second membrane-spanning region 9' leucine residue in the alpha(1) or beta(1) subunit produces subunit-specific changes in the function of human alpha(1)beta(1) gamma-aminobutyric Acid(A) receptors.

Abstract excerpt

The properties of the human alpha(1)beta(1) gamma-aminobutyric acid (GABA)(A) receptors were investigated after mutation of a highly conserved leucine residue at the 9' position in the second membrane-spanning region (TM2). The role of this residue in alpha(1) and beta(1) subunits was examined by mutating the 9' leucine to phenylalanine, tyrosine, or alanine. The mutations were in either the alpha(1) subunit...

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