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Biochemistry. 2011 Sep 6;50(35):7444-6. doi: 10.1021/bi2010784. Epub 2011 Aug 11.

The reconstituted Escherichia coli Bam complex catalyzes multiple rounds of β-barrel assembly.

Author information

1
Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States.

Abstract

β-Barrel proteins are folded and inserted into the outer membranes of Escherichia coli by the Bam complex. The Bam complex has been purified and functionally reconstituted in vitro. We report conditions for reconstitution that increase the folding yield 10-fold and allow us to monitor the time course of folding directly. We use these conditions to analyze the effect of a mutation in the Bam complex and to demonstrate the ability of the reconstituted complex to catalyze more than one round of substrate assembly.

PMID:
21823654
PMCID:
PMC3192448
DOI:
10.1021/bi2010784
[Indexed for MEDLINE]
Free PMC Article

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