Bacterial iron transport: Structure elucidation by FAB-MS and by 2D NMR ( 1 H, 13 C, 15 N) of pyoverdin G4R, a peptidic siderophore produced by a nitrogen-fixing strain of Pseudomonas putida
Tetrahedron, ISSN: 0040-4020, Vol: 53, Issue: 37, Page: 12539-12552
1997
- 19Citations
- 11Captures
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Article Description
The structures of the pyoverdins excreted in iron-deficient conditions by Pseudomonas putida G4R, a nitrogen-fixing Pseudomonas have been established using FAB-MS and 2D 1 H, 13 C & 15 N NMR on both the unlabelled and the 15 N-labelled molecules. They are chromopeptides possessing the following linear heptapeptide: (L)-Asp-(L)-Orn-(D)-threo-β-OHAsp-(L)-CTHPMD-Gly-(L)-Ser-(L)-cyclo-OHOrn, bearing a new natural amino acid which is the result of the condensation of one mole of (D) β-threo-hydroxyaspartic acid and one mole of (L) 2,4-diaminobutyric acid forming a tetrahydropyrimidine ring.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0040402097007734; http://dx.doi.org/10.1016/s0040-4020(97)00773-4; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0030815139&origin=inward; http://linkinghub.elsevier.com/retrieve/pii/S0040402097007734; http://api.elsevier.com/content/article/PII:S0040402097007734?httpAccept=text/xml; http://api.elsevier.com/content/article/PII:S0040402097007734?httpAccept=text/plain; https://linkinghub.elsevier.com/retrieve/pii/S0040402097007734; https://api.elsevier.com/content/article/PII:S0040402097007734?httpAccept=text/xml; https://api.elsevier.com/content/article/PII:S0040402097007734?httpAccept=text/plain; http://dx.doi.org/10.1016/s0040-4020%2897%2900773-4; https://dx.doi.org/10.1016/s0040-4020%2897%2900773-4
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