2cbg | pdb_00002cbg

CRYSTAL STRUCTURE OF THE PMSF-INHIBITED THIOESTERASE DOMAIN OF THE FENGYCIN BIOSYNTHESIS CLUSTER

spinqualitylabelsall models 2cbg, resolution 2.50Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2cbg is a 1 chain structure with sequence from Bacillus subtilis. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: PMS Related: 2cb9 Resources: FirstGlance, OCA, RCSB, PDBsum Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed 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. 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 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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