3iiq

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[[Image:3iiq.png|left|200px]]
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==Crystallographic analysis of bacterial signal peptidase in ternary complex with Arylomycin A2 and a beta-sultam inhibitor==
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<StructureSection load='3iiq' size='340' side='right' caption='[[3iiq]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3iiq]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli_k-12 Escherichia coli k-12] and [http://en.wikipedia.org/wiki/Streptomyces_sp. Streptomyces sp.]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3IIQ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3IIQ FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CCN:ACETONITRILE'>CCN</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=JZA:4-[(1,1-DIOXIDO-1,2-THIAZETIDIN-2-YL)CARBONYL]MORPHOLINE'>JZA</scene>, <scene name='pdbligand=M12:10-METHYLUNDECANOIC+ACID'>M12</scene>, <scene name='pdbligand=TRT:FRAGMENT+OF+TRITON+X-100'>TRT</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=5PG:(2S)-(4-HYDROXYPHENYL)(METHYLAMINO)ETHANOIC+ACID'>5PG</scene>, <scene name='pdbligand=DAL:D-ALANINE'>DAL</scene>, <scene name='pdbligand=DSE:N-METHYL-D-SERINE'>DSE</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1b12|1b12]], [[1t7d|1t7d]], [[1kn9|1kn9]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">LEPB ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 Escherichia coli K-12])</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Signal_peptidase_I Signal peptidase I], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.21.89 3.4.21.89] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3iiq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3iiq OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3iiq RCSB], [http://www.ebi.ac.uk/pdbsum/3iiq PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ii/3iiq_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Bacterial type I signal peptidase (SPase I), an essential membrane-bound endopeptidase with a unique Ser/Lys dyad mechanism, is being investigated as a potential novel antibiotic target. We present here binding and inhibition assays along with crystallographic data that shows that the lipohexapeptide-based natural product arylomycin A2 and the morpholino-beta-sultam derivative (BAL0019193) inhibit SPase I by binding to non-overlapping subsites near the catalytic center. The 2.0 A resolution crystal structure of the soluble catalytic domain of Escherichia coli SPase I (SPase I Delta2-75) in ternary complex with arylomycin A2 and BAL0019193 reveals the position of BAL0019193 adjacent to arylomycin A2 within the SPase I binding site. BAL0019193 binds in a noncovalent manner in close proximity to SPase I residues Ser88, Ser90, Lys145, Asn277, Ala279, and Glu307, as well as atom O45 of arylomycin A2. The binding mode of arylomycin A2 in this 2.0 A resolution ternary complex is compared to that seen in the previous 2.5 A resolution arylomycin A2-SPase cocrystal structure. This work contributes to our understanding of SPase I inhibitor/substrate recognition and should prove helpful in the further development of novel antibiotics based on the inhibition of SPase I.
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Crystallographic analysis of bacterial signal peptidase in ternary complex with arylomycin A2 and a beta-sultam inhibitor.,Luo C, Roussel P, Dreier J, Page MG, Paetzel M Biochemistry. 2009 Sep 29;48(38):8976-84. PMID:19655811<ref>PMID:19655811</ref>
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The line below this paragraph, containing "STRUCTURE_3iiq", creates the "Structure Box" on the page.
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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or leave the SCENE parameter empty for the default display.
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{{STRUCTURE_3iiq| PDB=3iiq | SCENE= }}
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===Crystallographic analysis of bacterial signal peptidase in ternary complex with Arylomycin A2 and a beta-sultam inhibitor===
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
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</div>
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== References ==
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<references/>
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The line below this paragraph, {{ABSTRACT_PUBMED_19655811}}, adds the Publication Abstract to the page
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__TOC__
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(as it appears on PubMed at http://www.pubmed.gov), where 19655811 is the PubMed ID number.
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</StructureSection>
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[[Category: Escherichia coli k-12]]
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{{ABSTRACT_PUBMED_19655811}}
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==About this Structure==
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[[3iiq]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [http://en.wikipedia.org/wiki/Streptomyces_sp. Streptomyces sp.]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3IIQ OCA].
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==Reference==
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<ref group="xtra">PMID:019655811</ref><references group="xtra"/>
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[[Category: Escherichia coli]]
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[[Category: Signal peptidase I]]
[[Category: Signal peptidase I]]
[[Category: Streptomyces sp.]]
[[Category: Streptomyces sp.]]

Revision as of 09:38, 21 May 2014

Crystallographic analysis of bacterial signal peptidase in ternary complex with Arylomycin A2 and a beta-sultam inhibitor

3iiq, resolution 2.00Å

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