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A new siderophore named albachelin was isolated from iron deficient culture of Amycolatopsis alba . The planar structure of albachelin was elucidated by the combination of ESI–MS/MS experiment and NMR spectroscopic analyses of the gallium (III) complex. The structure of albachelin was determined to be a linear peptide consisting of 6 mol of amino acids including 3 mol of serine,...
Previously, Park et al. isolated a new siderophore from Streptomyces peucetius ATCC 27952 based on information of the genome sequence and the structure of the siderophore was deduced to be a cyclic peptide based on MS/MS analysis. To clarify the structure of the siderophore, we cultured S. peucetius with iron deficient medium. Through several chromatographic procedures, the siderophore named peucechelin...
Deferasirox (DFX), an orally active and clinically approved iron chelator, is being used extensively for the treatment of iron overload. However, its water insolubility makes it cumbersome for practical use. In addition to this, the low efficacy of DFX to remove brain iron prompted us to synthesize and evaluate a DFX-TAT(47–57) peptide conjugate for its iron chelation properties and permeability across...
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