Article
Complete replacement of basic amino acid residues with cysteines in Rickettsia prowazekii ATP/ADP translocase.
Biochimica et biophysica acta - 20 Sept 2002
Alexeyev Mikhail F, Winkler Herbert H
Abstract excerpt
The ATP/ADP translocase (Tlc) of Rickettsia prowazekii is a basic protein with isoelectric point (pI)=9.84. It is conceivable, therefore, that basic residues in this protein are involved in electrostatic interactions with negatively charged substrates. We tested this hypothesis by individually mutating all basic residues in Tlc to Cys. Unexpectedly, mutations of only 20 out of 51 basic residues resulted in...
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