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Biochim Biophys Acta. 2012 Jan;1823(1):40-8. doi: 10.1016/j.bbamcr.2011.08.015. Epub 2011 Sep 8.

Structure and function of the bacterial AAA protease FtsH.

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1
Lehrstuhl für Biologie der Mikroorganismen, Ruhr-Universität Bochum, Germany.

Abstract

Proteolysis of regulatory proteins or key enzymes of biosynthetic pathways is a universal mechanism to rapidly adjust the cellular proteome to particular environmental needs. Among the five energy-dependent AAA(+) proteases in Escherichia coli, FtsH is the only essential protease. Moreover, FtsH is unique owing to its anchoring to the inner membrane. This review describes the structural and functional properties of FtsH. With regard to its role in cellular quality control and regulatory circuits, cytoplasmic and membrane substrates of the FtsH protease are depicted and mechanisms of FtsH-dependent proteolysis are discussed.

PMID:
21925212
DOI:
10.1016/j.bbamcr.2011.08.015
[Indexed for MEDLINE]
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