The transition metal binding properties of a 3RD generation bleomycin analogue, tallysomycin

Frederick T. Greenaway, James C. Dabrowiak, Mark Van Husen, Robert Grulich, Stanley T. Crooke

Research output: Contribution to journalArticle

14 Scopus citations


Employing a number of physical techniques the transition metal binding site of the bleomycin (BLM) related antibiotic tallysomycin (TLM) has been determined. The new antibiotic was shown to have two metal binding sites. One site is similar to that of bleomycin and involves the pyrimidine-imidazole portion of the molecule. The second binding site, which is thermodynamically less stable than the first site, utilizes the amino group of the L-talose moiety and the amino groups located in the β lysine-spermidine portion of the antibiotic. The presence of two metal binding sites and its implication on the mechanism of action of TLM is also discussed.

Original languageEnglish (US)
Pages (from-to)1407-1414
Number of pages8
JournalBiochemical and Biophysical Research Communications
Issue number4
StatePublished - Dec 29 1978


ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

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