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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1984 (1984), S. 1399-1407 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Albomycins, I. - Enzymatic Cleavage of the Deferri Form of the Albomycins δ1, δ2Enzymatic hydrolyses of albomycin δ2 (1a) were attempted with 23 enzymes or enzyme mixtures. 1a and albomycin δ1 (1b) were cleaved with leucine aminopeptidase (microsomal, hog kidney), subtilisin, aminoacylase I, β-lactamase, proteinase K, and pronase E to give the serine-containing nucleosides 3a and b. With microsomal leucine aminopeptidase a further reaction yields the serine-free nucleosides 4a and b. The hydroxamic acid 6 was also isolated.
    Notes: Enzymatische Hydrolyseversuche an Albomycin δ2 (1a) werden mit 23 Enzymen oder Enzymgemischen durchgeführt. 1a und Albomycin δ1 (1b) werden mit Leucinaminopeptidase (mikrosomal, Schweineniere), Subtilisin, Aminoacylase I, β-Lactamase, Proteinase K und Pronase E zu den serinhaltigen Nucleosiden 3a und b gespalten. Mit der mikrosomalen Leucinaminopeptidase erfolgt eine Weiterreaktion zu den serinfreien Nucleosiden 4a und b. Die Hydroxamsäure 6 konnte ebenfalls rein isoliert werden.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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