Amany Ragab

Biogenesis of the Unique 4 ‘,5 ‘-Dehydronucleoside of the Uridyl Peptide Antibiotic Pacidamycin

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Amany E. Ragab ; Sabine Grüschow ; Daniel R. Tromans ; Rebecca J. M. Goss JACS 2011, 133 (39) 15288-15291 The pacidamycins belong to a class of antimicrobial nucleoside antibiotics that act by inhibiting the clinically unexploited target translocase I, a key enzyme in peptidoglycan assembly. As with other nucleoside antibiotics, the pacidamycin 4′,5′-dehydronucleoside portion is … Read more

Pacidamycin Biosynthesis : Identification and Heterologous Expression of the First Uridyl Peptide Antibiotic Gene Cluster

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Emma J. Rackham ; Sabine Grüschow ; Amany E. Ragab ; Shilo Dickens ; Rebecca J. M. Goss ChemBioChem 2010, 11 (12) 1700-1709 The pacidamycins are antimicrobial nucleoside antibiotics produced by Streptomyces coeruleorubidus that inhibit translocase I, an essential bacterial enzyme yet to be clinically targeted. The novel pacidamycin scaffold is composed of a pseudopeptide backbone linked by … Read more

New pacidamycins biosynthetically: probing N- and C-terminal substrate specificity

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Amany E. Ragab ; Sabine Grüschow ; Emma J. Rackham ; Rebecca J. M. Goss Org Biomol Chem 2010, 8 3128-3129 Feeding phenylalanine analogues to Streptomyces coeruleorubidus reveals the remarkable steric and electronic flexibility of this biosynthetic pathway and leads to the generation of a series of new halopacidamycins.

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