2cb9

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{{STRUCTURE_2cb9| PDB=2cb9 | SCENE= }}
{{STRUCTURE_2cb9| PDB=2cb9 | SCENE= }}
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'''CRYSTAL STRUCTURE OF THE THIOESTERASE DOMAIN OF THE FENGYCIN BIOSYNTHESIS CLUSTER'''
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===CRYSTAL STRUCTURE OF THE THIOESTERASE DOMAIN OF THE FENGYCIN BIOSYNTHESIS CLUSTER===
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==Overview==
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Many secondary metabolic peptides from bacteria and fungi are produced by non-ribosomal peptide synthetases (NRPS) where the final step of biosynthesis is often catalysed by designated thioesterase domains. Here, we report the 1.8A crystal structure of the fengycin thioesterase (FenTE) from Bacillus subtilis F29-3, which catalyses the regio- and stereoselective release and macrocyclization of the antibiotic fengycin from the NRPS template. A structure of the PMSF-inactivated FenTE domain suggests the location of the oxyanion hole and the binding site of the C-terminal residue l-Ile11 of the lipopeptide. Using a combination of docking, molecular dynamics simulations and in vitro activity assays, a model of the FenTE-fengycin complex was derived in which peptide cyclization requires strategic interactions with residues lining the active site canyon.
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{{ABSTRACT_PUBMED_16697411}}
==About this Structure==
==About this Structure==
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[[Category: Non-ribosomal peptide synthesis]]
[[Category: Non-ribosomal peptide synthesis]]
[[Category: Thioesterase]]
[[Category: Thioesterase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 08:40:04 2008''

Revision as of 05:40, 28 July 2008

Image:2cb9.png

Template:STRUCTURE 2cb9

CRYSTAL STRUCTURE OF THE THIOESTERASE DOMAIN OF THE FENGYCIN BIOSYNTHESIS CLUSTER

Template:ABSTRACT PUBMED 16697411

About this Structure

2CB9 is a Single protein structure of sequence from Bacillus subtilis. Full crystallographic information is available from OCA.

Reference

The thioesterase domain of the fengycin biosynthesis cluster: a structural base for the macrocyclization of a non-ribosomal lipopeptide., Samel SA, Wagner B, Marahiel MA, Essen LO, J Mol Biol. 2006 Jun 16;359(4):876-89. Epub 2006 Apr 18. PMID:16697411

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