Cysteine-scanning mutagenesis and thiol modification of the Rickettsia prowazekii ATP/ADP translocase: evidence that transmembrane regions I and II, but not III, are structural components of the aqueous translocation channel.

doi:10.1021/bi0499462

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Cysteine-scanning mutagenesis and thiol modification of the Rickettsia prowazekii ATP/ADP translocase: evidence that transmembrane regions I and II, but not III, are structural components of the aqueous translocation channel.

Biochemistry - 8 Jun 2004

Alexeyev Mikhail F, Roberts Rosemary A W, Daugherty Robin M, Audia Jonathon P, Winkler Herbert H

Abstract excerpt

The contribution of transmembrane regions I, II, and III of the Rickettsia prowazekii ATP/ADP translocase to the structure of the putative water-filled ATP translocation channel was evaluated from the accessibility of hydrophilic, thiol-reactive, methanethiosulfonate reagents to a library of 68 independent cysteine-substitution mutants heterologously expressed in Escherichia coli. The MTS reagents used were MTSES...

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Cysteine-scanning mutagenesis and thiol modification of the Rickettsia prowazekii ATP/ADP translocase: evidence that transmembrane regions I and II, but not III, are structural components of the aqueous translocation channel.

Abstract excerpt

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Cysteine-scanning mutagenesis and thiol modification of the Rickettsia prowazekii ATP/ADP translocase: evidence that transmembrane regions I and II, but not III, are structural components of the aqueous translocation channel.

Abstract excerpt

Topics

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