2rqo

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[[Image:2rqo.png|left|200px]]
 
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==Solution structure of Polytheonamide B==
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The line below this paragraph, containing "STRUCTURE_2rqo", creates the "Structure Box" on the page.
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<StructureSection load='2rqo' size='340' side='right'caption='[[2rqo]]' 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'>[[2rqo]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Theonella_sp. Theonella sp.]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2RQO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2RQO 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</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=2TL:D-ALLOTHREONINE'>2TL</scene>, <scene name='pdbligand=DAL:D-ALANINE'>DAL</scene>, <scene name='pdbligand=DHV:3-HYDROXY-D-VALINE'>DHV</scene>, <scene name='pdbligand=DSG:D-ASPARAGINE'>DSG</scene>, <scene name='pdbligand=DSN:D-SERINE'>DSN</scene>, <scene name='pdbligand=HTN:(3R)-3-HYDROXY-N-METHYL-D-ASPARAGINE'>HTN</scene>, <scene name='pdbligand=HVA:3-HYDROXY-L-VALINE'>HVA</scene>, <scene name='pdbligand=I2M:3-METHYL-L-ALLOISOLEUCINE'>I2M</scene>, <scene name='pdbligand=LMQ:(3S)-3-METHYL-L-GLUTAMINE'>LMQ</scene>, <scene name='pdbligand=M2S:3-{[(R)-METHYLSULFINYL]METHYL}-L-VALINE'>M2S</scene>, <scene name='pdbligand=MHE:5,5-DIMETHYL-2-OXOHEXANOIC+ACID'>MHE</scene>, <scene name='pdbligand=MND:N-METHYL-D-ASPARAGINE'>MND</scene>, <scene name='pdbligand=PRD_000224:Polytheonamide+B'>PRD_000224</scene>, <scene name='pdbligand=TBG:3-METHYL-L-VALINE'>TBG</scene>, <scene name='pdbligand=TDD:(2R)-2-AMINO-3,3-DIMETHYL-BUTANOIC+ACID'>TDD</scene></td></tr>
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{{STRUCTURE_2rqo| PDB=2rqo | 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=2rqo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2rqo OCA], [https://pdbe.org/2rqo PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2rqo RCSB], [https://www.ebi.ac.uk/pdbsum/2rqo PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2rqo ProSAT]</span></td></tr>
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</table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Polytheonamide B (pTB), a highly cytotoxic polypeptide, is one of the most unusual nonribosomal peptides of sponge origin. pTB is a linear 48-residue peptide with alternating d- and l-amino acids and contains a total of eight types of nonproteinogenic amino acids. To investigate the mechanisms underlying its cytotoxic activity, we determined the three-dimensional structure of pTB by NMR spectroscopy, structure calculation, and energy minimization. pTB adopts a single right-handed beta(6.3)-helical structure in a 1:1 mixture of methanol/chloroform with a length of approximately 45 A and a hydrophilic pore of ca. 4 A inner diameter. These features indicate that pTB molecules form transmembrane channels that permeate monovalent cations as gramicidin A channels do. The strong cytotoxicity of pTB can be ascribed to its ability to form single molecule channels through biological membranes.
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===Solution structure of Polytheonamide B===
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Solution Structure of Polytheonamide B, a Highly Cytotoxic Nonribosomal Polypeptide from Marine Sponge.,Hamada T, Matsunaga S, Fujiwara M, Fujita K, Hirota H, Schmucki R, Guntert P, Fusetani N J Am Chem Soc. 2010 Aug 26. PMID:20795624<ref>PMID:20795624</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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</div>
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The line below this paragraph, {{ABSTRACT_PUBMED_20795624}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 2rqo" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 20795624 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_20795624}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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[[2rqo]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Theonella_swinhoei Theonella swinhoei]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2RQO OCA].
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[[Category: Theonella sp]]
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[[Category: Fujiwara M]]
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==Reference==
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[[Category: Fujjita K]]
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<ref group="xtra">PMID:020795624</ref><references group="xtra"/>
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[[Category: Fusetani N]]
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[[Category: Theonella swinhoei]]
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[[Category: Guntert P]]
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[[Category: Fujiwara, M.]]
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[[Category: Hamada N]]
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[[Category: Fujjita, K.]]
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[[Category: Hirota H]]
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[[Category: Fusetani, N.]]
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[[Category: Matsunaga S]]
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[[Category: Guntert, P.]]
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[[Category: Schmucki R]]
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[[Category: Hamada, N.]]
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[[Category: Hirota, H.]]
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[[Category: Matsunaga, S.]]
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[[Category: Schmucki, R.]]
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[[Category: Beta-helix]]
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[[Category: Toxin]]
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Current revision

Solution structure of Polytheonamide B

PDB ID 2rqo

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