1xt7

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{{STRUCTURE_1xt7| PDB=1xt7 | SCENE= }}
{{STRUCTURE_1xt7| PDB=1xt7 | SCENE= }}
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'''Daptomycin NMR Structure'''
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===Daptomycin NMR Structure===
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==Overview==
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Daptomycin is an acidic lipopeptide antibiotic, whose three-dimensional structure and mechanism of action is currently unknown. Recently daptomycin, trade name Cubicin, was approved as a drug for the treatment of skin-related infections (M. Larkin Lancet, 2003, 3, 677) and became the first antibiotic of its class to be used in the clinic (A. Raja et al., Nature Rev. Drug Discov., 2003, 2, 943-944). We have carried out a systematic high field NMR study of daptomycin and its binding to calcium ions which is essential for antibiotic activity. In this first report, we demonstrate the sequence-specific resonance assignment of daptomycin under resolved NMR measurement conditions. In addition to this, we have determined the 3D structure of apo-daptomycin and demonstrated a 1 : 1 stoichiometry on the binding to calcium ions. We have also demonstrated that the binding of calcium ions does not result in major conformational changes, but does induce aggregation. This may be an important factor in the mode of action of daptomycin.
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The line below this paragraph, {{ABSTRACT_PUBMED_15227539}}, adds the Publication Abstract to the page
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{{ABSTRACT_PUBMED_15227539}}
==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=1XT7 OCA].
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Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XT7 OCA].
==Reference==
==Reference==
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[[Category: Antibiotic]]
[[Category: Antibiotic]]
[[Category: Lipopeptide]]
[[Category: Lipopeptide]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 15:21:12 2008''

Revision as of 12:21, 27 July 2008

Image:1xt7.png

Template:STRUCTURE 1xt7

Daptomycin NMR Structure

Template:ABSTRACT PUBMED 15227539

About this Structure

Full experimental information is available from OCA.

Reference

NMR structure determination and calcium binding effects of lipopeptide antibiotic daptomycin., Ball LJ, Goult CM, Donarski JA, Micklefield J, Ramesh V, Org Biomol Chem. 2004 Jul 7;2(13):1872-8. Epub 2004 Jun 15. PMID:15227539

Page seeded by OCA on Sun Jul 27 15:21:12 2008

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