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Biochemistry. 2011 Apr 5;50(13):2384-6. doi: 10.1021/bi200085y. Epub 2011 Mar 8.

High-resolution crystal structure of MltE, an outer membrane-anchored endolytic peptidoglycan lytic transglycosylase from Escherichia coli.

Author information

1
Department of Crystallography and Structural Biology, Instituto de Química-Física "Rocasolano", CSIC, Serrano 119, 28006 Madrid, Spain.

Abstract

The crystal structure of the first endolytic peptidoglycan lytic transglycosylase MltE from Escherichia coli is reported here. The degradative activity of this enzyme initiates the process of cell wall recycling, which is an integral event in the existence of bacteria. The structure sheds light on how MltE recognizes its substrate, the cell wall peptidoglycan. It also explains the ability of this endolytic enzyme to cleave in the middle of the peptidoglycan chains. Furthermore, the structure reveals how the enzyme is sequestered on the inner leaflet of the outer membrane.

PMID:
21341761
PMCID:
PMC3068208
DOI:
10.1021/bi200085y
[Indexed for MEDLINE]
Free PMC Article

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