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RNA specific molecules: Cytotoxic plant alkaloid palmatine binds strongly to poly(A)

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Title RNA specific molecules: Cytotoxic plant alkaloid palmatine binds strongly to poly(A)
 
Creator Giri, P
Hossain, M
Kumar, GS
 
Subject Chemistry, Medicinal; Chemistry, Organic
 
Description The cytotoxic plant alkaloid palmatine was found to bind strongly by partial intercalation to single stranded poly(A) structure with binding affinity (K-a) of (8.36 +/- 0.26) x 10(5) M-1. The binding of palmatine was characterized to be exothermic and enthalpy driven with one palmatine for every two adenine residues. On the other hand, the binding to the double stranded poly(A) has been found to be significantly weak. This study identifies poly(A) as a potential bio-target for the alkaloid palmatine and its use as a lead compound in antitumor drug screening. (C) 2006 Elsevier Ltd. All rights reserved.
 
Publisher PERGAMON-ELSEVIER SCIENCE LTDOXFORDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
 
Date 2011-09-20T12:12:17Z
2011-09-20T12:12:17Z
2006
 
Type Article
 
Identifier BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
0960-894X
http://hdl.handle.net/123456789/14207
 
Language English