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EnglishThree new siderophores, termed hyalachelins A-C (1-3), were isolated from the terrestrial myxobacterium Hyalangium minutum. Their structures were determined by 2D NMR and HR-MS/MS experiments, and their stereochemical configuration was established by a combination of NMR data, quantum mechanical calculations, and circular dichroism experiments. Hyalachelins are unusual catecholate-type siderophores that bear a 3,7,8-trihydroxy-1-oxo-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid. Their iron chelating activities were evaluated in a CAS assay showing EC50 values of similar to 30 mu M
| Titolo: | Hyalachelins A–C, Unusual Siderophores Isolated from the Terrestrial MyxobacteriumHyalangium minutum | |
| Autori: | ||
| Data di pubblicazione: | 2014 | |
| Rivista: | ||
| Abstract: | Three new siderophores, termed hyalachelins A-C (1-3), were isolated from the terrestrial myxobacterium Hyalangium minutum. Their structures were determined by 2D NMR and HR-MS/MS experiments, and their stereochemical configuration was established by a combination of NMR data, quantum mechanical calculations, and circular dichroism experiments. Hyalachelins are unusual catecholate-type siderophores that bear a 3,7,8-trihydroxy-1-oxo-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid. Their iron chelating activities were evaluated in a CAS assay showing EC50 values of similar to 30 mu M | |
| Handle: | http://hdl.handle.net/11386/4504859 | |
| Appare nelle tipologie: | 1.1.1 Articolo su rivista con DOI |
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