1n37

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{{STRUCTURE_1n37| PDB=1n37 | SCENE= }}
{{STRUCTURE_1n37| PDB=1n37 | SCENE= }}
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'''NMR Solution Structure of the Anthracycline Respinomycin D Intercalation Complex with a Double Stranded DNA Molecule (AGACGTCT)2'''
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===NMR Solution Structure of the Anthracycline Respinomycin D Intercalation Complex with a Double Stranded DNA Molecule (AGACGTCT)2===
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==Overview==
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Respinomycin D is a member of the anthracycline family of antitumour antibiotics that interact with double stranded DNA through intercalation. The clinical agents daunomycin and doxorubicin are the most well-studied of this class but have a relatively simple molecular architecture in which the pendant daunosamine sugar resides in the DNA minor groove. Respinomycin D, which belongs to the nogalamycin group of anthracyclines, possesses additional sugar residues at either end of the aglycone chromophore that modulate the biological activity but whose role in molecular recognition is unknown. We report the NMR structure of the respinomycin D-d(AGACGTCT)2 complex in solution derived from NOE restraints and molecular dynamics simulations. We show that the drug threads through the DNA double helix forming stabilising interactions in both the major and minor groove, the latter through a different binding geometry to that previously reported. The bicycloaminoglucose sugar resides in the major groove and makes specific contacts with guanine at the 5'-CpG intercalation site, however, the disaccharide attached at the C4 position plays little part in drug binding and DNA recognition and is largely solvent exposed.
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(as it appears on PubMed at http://www.pubmed.gov), where 12929391 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12929391}}
==About this Structure==
==About this Structure==
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Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1N37 OCA].
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Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1N37 OCA].
==Reference==
==Reference==
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[[Category: Nmr spectroscopy]]
[[Category: Nmr spectroscopy]]
[[Category: Respinomycin d]]
[[Category: Respinomycin d]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 02:02:07 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 09:52:33 2008''

Revision as of 06:52, 28 July 2008

Image:1n37.png

Template:STRUCTURE 1n37

NMR Solution Structure of the Anthracycline Respinomycin D Intercalation Complex with a Double Stranded DNA Molecule (AGACGTCT)2

Template:ABSTRACT PUBMED 12929391

About this Structure

Full experimental information is available from OCA.

Reference

DNA recognition by the anthracycline antibiotic respinomycin D: NMR structure of the intercalation complex with d(AGACGTCT)2., Searle MS, Maynard AJ, Williams HE, Org Biomol Chem. 2003 Jan 7;1(1):60-6. PMID:12929391

Page seeded by OCA on Mon Jul 28 09:52:33 2008

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