Article
Determination of a transmembrane segment using cysteine-scanning mutants of transposon Tn10-encoded metal-tetracycline/H+ antiporter.
Biochemistry - 10 Dec 1996
Kimura T, Suzuki M, Sawai T, Yamaguchi A
Abstract excerpt
The metal-tetracycline/H+ antiporter is a bacterial plasma membrane protein belonging to the 12-transmembrane transporter family. The boundaries of membrane-embedded domains can be clearly determined by means of a method involving cysteine-scanning mutants and their reactivity to N-ethylmaleimide. The results for 37 cysteine-scanning mutants around putative transmembrane helix 9 indicate that the residues from...
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