Journal
TRENDS IN MICROBIOLOGY
Volume 15, Issue 9, Pages 389-397Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tim.2007.08.002
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The recent solution of the crystal structure of an entire binding-protein-dependent ABC transporter complex from the archaeon Archaeoglobus fulgidus by I-ocher and his colleagues marks a milestone in the understanding of the ABC transport mechanism. The structure elegantly demonstrates how the motor ATPase alternately opens and closes the inside and outside pores of the transporter and how the substrate-binding protein delivers its substrate. Binding-protein-dependent sugar ABC transporters in the archaea and in bacteria have an additional feature that could connect ABC transporters to gene regulation and to the control of transport activity by cellular processes.
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