2jx6

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{{Seed}}
 
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[[Image:2jx6.jpg|left|200px]]
 
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==Structure and membrane interactions of the antibiotic peptide dermadistinctin k by solution and oriented 15N and 31P solid-state NMR spectroscopy==
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The line below this paragraph, containing "STRUCTURE_2jx6", creates the "Structure Box" on the page.
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<StructureSection load='2jx6' size='340' side='right'caption='[[2jx6]]' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2jx6]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Phyllomedusa_distincta Phyllomedusa distincta]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JX6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2JX6 FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR, 20 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=NH2:AMINO+GROUP'>NH2</scene></td></tr>
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{{STRUCTURE_2jx6| PDB=2jx6 | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2jx6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2jx6 OCA], [https://pdbe.org/2jx6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2jx6 RCSB], [https://www.ebi.ac.uk/pdbsum/2jx6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2jx6 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/DRS1_PHYDS DRS1_PHYDS] Has antibacterial activity against the Gram-positive bacteria S.aureus and E.faecalis, and the Gram-negative bacteria P.aeruginosa and E.coli. Has antiprotozoal activity against T.cruzi. Has antifungal activity against the yeasts C.tropicalis (MIC=10.1 uM), C.guilliermondii (MIC=20.3 uM), C.albicans (MIC=20.3 uM) and C.albicans ATCC 1023 (MIC=10.1 uM). Decreases viability of murine peritoneal cells. Fuses to, and disrupts liposomes.<ref>PMID:10477123</ref> <ref>PMID:12379643</ref> <ref>PMID:17409003</ref> <ref>PMID:17442605</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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DD K, a peptide first isolated from the skin secretion of the Phyllomedusa distincta frog, has been prepared by solid-phase chemical peptide synthesis and its conformation was studied in trifluoroethanol/water as well as in the presence of sodium dodecyl sulfate and dodecylphosphocholine micelles or small unilamellar vesicles. Multidimensional solution NMR spectroscopy indicates an alpha-helical conformation in membrane environments starting at residue 7 and extending to the C-terminal carboxyamide. Furthermore, DD K has been labeled with (15)N at a single alanine position that is located within the helical core region of the sequence. When reconstituted into oriented phosphatidylcholine membranes the resulting (15)N solid-state NMR spectrum shows a well-defined helix alignment parallel to the membrane surface in excellent agreement with the amphipathic character of DD K. Proton-decoupled (31)P solid-state NMR spectroscopy indicates that the peptide creates a high level of disorder at the level of the phospholipid headgroup suggesting that DD K partitions into the bilayer where it severely disrupts membrane packing.
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===Structure and membrane interactions of the antibiotic peptide dermadistinctin k by solution and oriented 15N and 31P solid-state NMR spectroscopy===
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Structure and membrane interactions of the antibiotic peptide dermadistinctin K by multidimensional solution and oriented 15N and 31P solid-state NMR spectroscopy.,Verly RM, de Moraes CM, Resende JM, Aisenbrey C, Bemquerer MP, Pilo-Veloso D, Valente AP, Almeida FC, Bechinger B Biophys J. 2009 Mar 18;96(6):2194-203. PMID:19289046<ref>PMID:19289046</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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==About this Structure==
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</div>
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2JX6 is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JX6 OCA].
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<div class="pdbe-citations 2jx6" style="background-color:#fffaf0;"></div>
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[[Category: Alpha helix]]
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== References ==
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[[Category: Amphibian defense peptide]]
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<references/>
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[[Category: Amphipathic character]]
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__TOC__
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[[Category: Antibiotic]]
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</StructureSection>
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[[Category: Antimicrobial]]
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[[Category: Large Structures]]
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[[Category: Antimicrobial protein]]
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[[Category: Phyllomedusa distincta]]
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[[Category: C-terminal carboxyamidation]]
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[[Category: Almeida FCL]]
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[[Category: Membrane peptide]]
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[[Category: Bechinger B]]
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[[Category: Peptide]]
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[[Category: Bemquerer MP]]
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[[Category: Secreted]]
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[[Category: Mendonca Moraes C]]
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[[Category: Pilo-Veloso D]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Nov 12 10:41:02 2008''
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[[Category: Resende JM]]
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[[Category: Valente A]]
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[[Category: Verly RM]]

Current revision

Structure and membrane interactions of the antibiotic peptide dermadistinctin k by solution and oriented 15N and 31P solid-state NMR spectroscopy

PDB ID 2jx6

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