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  • Title: Chemical characterization of new antibiotics, cerexins A and B. (Studies on antibiotics from the genus Bacillus. II).
    Author: Shoji J, Hinoo H.
    Journal: J Antibiot (Tokyo); 1975 Jan; 28(1):60-3. PubMed ID: 805113.
    Abstract:
    Acid hydrolysis revealed that the antibiotic cerexin A is constructed with aspartic acid (3), threonine (1), serine (1), valine (2), allo-isoleucine (1), gamma-hydroxylysine (1), tryptophan (1), and a variety of fatty acid residues. The essential difference between cerexins A and B is concluded to be replacement of serine and one valine residue in cerexin A by glycine and phenylalanine in cerexin B. Isolation of a new amino acid L-threo-gamma-hydroxylysine is also described.
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