Document Detail


Structural and Functional Characterization of the Bacterial Translocation Inhibitor Ge82832.
MedLine Citation:
PMID:  22841550     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The structure of GE82832, a translocation inhibitor produced by a soil microorganism, is shown to be highly related to that of dityromycin, a bicyclodecadepsipeptide antibiotic discovered long ago whose characterization had never been pursued beyond its structural elucidation. GE82832 and dityromycin were shown to interfere with both aminoacyl-tRNA and mRNA movement and with the Pi release occurring after ribosome- and EF-G-dependent GTP hydrolysis. These findings and the unusual ribosomal localization of GE82832/dityromycin near protein S13 suggest that the mechanism of inhibition entails an interference with the rotation of the 30S subunit "head" which accompanies the ribosome-unlocking step of translocation.
Authors:
Letizia Brandi; Sonia Maffioli; Stefano Donadio; Fabio Quaglia; Marco Sette; Pohl Milón; Claudio O Gualerzi; Attilio Fabbretti
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-24
Journal Detail:
Title:  FEBS letters     Volume:  -     ISSN:  1873-3468     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0155157     Medline TA:  FEBS Lett     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier B.V.
Affiliation:
Laboratory of Genetics, Department of Biosciences & Biotechnology, University of Camerino, 62032 Camerino (MC) Italy.
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