1t5m: Difference between revisions

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{{Seed}}
[[Image:1t5m.png|left|200px]]


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==Structural transitions as determinants of the action of the calcium-dependent antibiotic daptomycin==
The line below this paragraph, containing "STRUCTURE_1t5m", creates the "Structure Box" on the page.
<StructureSection load='1t5m' size='340' side='right'caption='[[1t5m]]' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)  
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1t5m]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Streptomyces_filamentosus Streptomyces filamentosus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1T5M OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1T5M FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR, 15 models</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=DAL:D-ALANINE'>DAL</scene>, <scene name='pdbligand=DKA:DECANOIC+ACID'>DKA</scene>, <scene name='pdbligand=DSG:D-ASPARAGINE'>DSG</scene>, <scene name='pdbligand=DSN:D-SERINE'>DSN</scene>, <scene name='pdbligand=KYN:(2S)-2-AMINO-4-(2-AMINOPHENYL)-4-OXOBUTANOIC+ACID'>KYN</scene>, <scene name='pdbligand=LME:(2S,3R)-2-AZANYL-3-METHYL-PENTANEDIOIC+ACID'>LME</scene>, <scene name='pdbligand=ORN:L-ORNITHINE'>ORN</scene></td></tr>
{{STRUCTURE_1t5m|  PDB=1t5m  |  SCENE= }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1t5m FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1t5m OCA], [https://pdbe.org/1t5m PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1t5m RCSB], [https://www.ebi.ac.uk/pdbsum/1t5m PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1t5m ProSAT]</span></td></tr>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Daptomycin is a cyclic anionic lipopeptide antibiotic recently approved for the treatment of complicated skin infections (Cubicin). Its function is dependent on calcium (as Ca2+). Circular dichroism spectroscopy indicated that daptomycin experienced two structural transitions: a transition upon interaction of daptomycin with Ca2+, and a further transition upon interaction with Ca2+ and the bacterial acidic phospholipid, phosphatidyl glycerol. The Ca2+-dependent insertion of daptomycin into model membranes promoted mild and more pronounced perturbations as assessed by the increase of lipid flip-flop and membrane leakage, respectively. The NMR structure of daptomycin indicated that Ca2+ induced a conformational change in daptomycin that increased its amphipathicity. These results are consistent with the hypothesis that the association of Ca2+ with daptomycin permits it to interact with bacterial membranes with effects that are similar to those of the cationic antimicrobial peptides.


===Structural transitions as determinants of the action of the calcium-dependent antibiotic daptomycin===
Structural transitions as determinants of the action of the calcium-dependent antibiotic daptomycin.,Jung D, Rozek A, Okon M, Hancock RE Chem Biol. 2004 Jul;11(7):949-57. PMID:15271353<ref>PMID:15271353</ref>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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The line below this paragraph, {{ABSTRACT_PUBMED_15271353}}, adds the Publication Abstract to the page
<div class="pdbe-citations 1t5m" style="background-color:#fffaf0;"></div>
(as it appears on PubMed at http://www.pubmed.gov), where 15271353 is the PubMed ID number.
== References ==
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<references/>
{{ABSTRACT_PUBMED_15271353}}
__TOC__
 
</StructureSection>
==About this Structure==
[[Category: Large Structures]]
Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1T5M OCA].
[[Category: Streptomyces filamentosus]]
 
[[Category: Hancock RE]]
==Reference==
[[Category: Jung D]]
Structural transitions as determinants of the action of the calcium-dependent antibiotic daptomycin., Jung D, Rozek A, Okon M, Hancock RE, Chem Biol. 2004 Jul;11(7):949-57. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15271353 15271353]
[[Category: Okon M]]
[[Category: Hancock, R E.]]
[[Category: Rozek A]]
[[Category: Jung, D.]]
[[Category: Okon, M.]]
[[Category: Rozek, A.]]
[[Category: Antibiotic]]
[[Category: Calcium-dependent]]
[[Category: Cubicin]]
[[Category: Cyclic lipopeptide]]
[[Category: Daptomycin]]
[[Category: Drug]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 08:55:21 2008''

Latest revision as of 22:13, 26 March 2025

Structural transitions as determinants of the action of the calcium-dependent antibiotic daptomycin

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