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J Bacteriol. 2007 Apr;189(7):2941-4. Epub 2007 Jan 5.

Biosynthesis of the thioquinolobactin siderophore: an interesting variation on sulfur transfer.

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1
Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, USA.

Abstract

The thioquinolobactin siderophore from Pseudomonas fluorescens ATCC 17400 utilizes a variation of the sulfur transfer chemistry found in thiamine and molydobterin biosynthesis. A JAMM motif protein cleaves the C-terminal amino acid residues following a diglycine moiety on a small sulfur carrier protein, and the modified C terminus is activated and sulfurylated, forming a thiocarboxylate.

PMID:
17209031
PMCID:
PMC1855785
DOI:
10.1128/JB.01200-06
[Indexed for MEDLINE]
Free PMC Article
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