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Stoffwechselprodukte von Mikroorganismen. 45. Mitteilung. Über die Konstitution von Ferrirubin, Ferrirhodin und Ferrichrom A

✍ Scribed by W. Keller-Schierlein

Publisher
John Wiley and Sons
Year
1963
Tongue
German
Weight
736 KB
Volume
46
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

The fungal siderochromes ferrirhodine, ferrirubine and ferrichrome A possess the same cyclic hexapeptide skeleton as ferrichrysine, composed of 3 mols. δ‐N‐hydroxyornithine, 2 mols. serine, and 1 mol. glycine, with unknown, but identical amino‐acid sequence. The δ‐nitrogen atoms of the ornithine residues are linked with carboxylic acid residues to hydroxamate groups which from stable complexes with 3‐valent iron. The carboxylic acid residues are: cis‐5‐hydroxy‐3‐methyl‐2‐pentenoic acid in ferrirhodine, its trans isomer in ferrirubine, and trans‐β‐methyl‐glutaconic acid in ferrichrome A.

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