Biosynthesis of Elsamicin A, a Novel Antitumor Antibiotic
The 1H noise-decoupled 13C-nmr spectrum of elsamicin A [1] prepared from the cultures of an unknown actinomycete species (ATCC 39417) supplemented with [1-13C]acetate and [2-13C]acetate showed enrichment of all 19-carbons in the aglycone. In addition, L-[methyl-13C]methionine- and D-[1-13C]glucose-s...
Gespeichert in:
Veröffentlicht in: | Journal of natural products (Washington, D.C.) D.C.), 1989-09, Vol.52 (5), p.1015-1021 |
---|---|
Hauptverfasser: | , , , , |
Format: | Artikel |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The 1H noise-decoupled 13C-nmr spectrum of elsamicin A [1] prepared from the cultures of an unknown actinomycete species (ATCC 39417) supplemented with [1-13C]acetate and [2-13C]acetate showed enrichment of all 19-carbons in the aglycone. In addition, L-[methyl-13C]methionine- and D-[1-13C]glucose-supplemented cultures enriched the carbons of the two methyl groups on the disaccharide moiety and the C-1 carbons of the disaccharide, respectively. The results demonstrated that the aglycone of elsamicin A is derived entirely from acetate and the disaccharide portion is biosynthesized from two units of glucose and methionine. |
---|---|
ISSN: | 0163-3864 1520-6025 |
DOI: | 10.1021/np50065a016 |