✦ LIBER ✦

New peptide conjugates with 9-aminoacridine: synthesis and binding to DNA

✍ Scribed by Jaroslav ŠebestíK; Ivan Stibor; Jan HlavÁček

Book ID: 105360574
Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 193 KB
Volume: 12
Category: Article
ISSN: 1075-2617
DOI: 10.1002/psc.752

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✦ Synopsis

Abstract

New peptides—9‐aminoacridine conjugates with an ethylene diamine linker—have been synthesized (both solution and solid phase methods were used) and their interactions with DNA have been studied. The affinity of H‐Phe‐Gln‐Gly‐Ile~2~‐NHCH~2~CH~2~NH‐Acr conjugate and of its extended analogue containing 6‐aminohexanoic acid to DNA were lower than that of a standard H‐Gly‐NHCH~2~CH~2~NH‐Acr conjugate. The results fit well into our concept of peptide conjugates with lowered binding activity to DNA, which could be capable of unlimited extravascular distribution. Moreover, new structures could be potentially useful as the mild tuners of DNA interaction with strong bis‐acridine binders. Copyright © 2006 European Peptide Society and John Wiley & Sons, Ltd.

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