1wp1: Difference between revisions

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[[Image:1wp1.png|left|200px]]


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==Crystal structure of the drug-discharge outer membrane protein, OprM==
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<StructureSection load='1wp1' size='340' side='right'caption='[[1wp1]], [[Resolution|resolution]] 2.56&Aring;' scene=''>
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== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1wp1]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Pseudomonas_aeruginosa Pseudomonas aeruginosa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WP1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1WP1 FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.56&#8491;</td></tr>
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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=1wp1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1wp1 OCA], [https://pdbe.org/1wp1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1wp1 RCSB], [https://www.ebi.ac.uk/pdbsum/1wp1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1wp1 ProSAT]</span></td></tr>
{{STRUCTURE_1wp1| PDB=1wp1 |  SCENE= }}
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== Function ==
[https://www.uniprot.org/uniprot/OPRM_PSEAE OPRM_PSEAE] The outer membrane component of the MexAB-OprM efflux system that confers multidrug resistance. Also functions as the major efflux pump for n-hexane and p-xylene efflux. Over-expression of the pump increases antibiotic and solvent efflux capacities. Can replace the OprJ outer membrane component of the MexCD-OprJ pump; the antibiotics exported are those exported by the intact MexCD pump, showing that efflux substrate specificity is not conferred by this component. Serves as the outer membrane component for the MexXY efflux system. Implicated in the secretion of the siderophore pyoverdine. OprM is probably involved in the efflux of the siderophore across the outer membrane.<ref>PMID:8226684</ref> <ref>PMID:8540696</ref> <ref>PMID:9401051</ref> <ref>PMID:9603892</ref> <ref>PMID:10952562</ref>  The ability to export antibiotics and solvents is dramatically decreased in the presence of the proton conductor carbonyl cyanide m-chlorophenylhydrazone (CCCP), showing that an energized inner membrane is required for efflux. It is thought that the MexB subunit is a proton antiporter.<ref>PMID:8226684</ref> <ref>PMID:8540696</ref> <ref>PMID:9401051</ref> <ref>PMID:9603892</ref> <ref>PMID:10952562</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
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    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/wp/1wp1_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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/main_output.php?pdb_ID=1wp1 ConSurf].
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===Crystal structure of the drug-discharge outer membrane protein, OprM===
==See Also==
 
*[[Porin 3D structures|Porin 3D structures]]
 
== References ==
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[[Category: Large Structures]]
{{ABSTRACT_PUBMED_15507433}}
 
==About this Structure==
1WP1 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Pseudomonas_aeruginosa Pseudomonas aeruginosa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WP1 OCA].
 
==Reference==
Crystal structure of the drug discharge outer membrane protein, OprM, of Pseudomonas aeruginosa: dual modes of membrane anchoring and occluded cavity end., Akama H, Kanemaki M, Yoshimura M, Tsukihara T, Kashiwagi T, Yoneyama H, Narita S, Nakagawa A, Nakae T, J Biol Chem. 2004 Dec 17;279(51):52816-9. Epub 2004 Oct 26. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15507433 15507433]
[[Category: Pseudomonas aeruginosa]]
[[Category: Pseudomonas aeruginosa]]
[[Category: Single protein]]
[[Category: Akama H]]
[[Category: Akama, H.]]
[[Category: Kanemaki M]]
[[Category: Kanemaki, M.]]
[[Category: Kashiwagi T]]
[[Category: Kashiwagi, T.]]
[[Category: Nakae T]]
[[Category: Nakae, T.]]
[[Category: Nakagawa A]]
[[Category: Nakagawa, A.]]
[[Category: Narita S]]
[[Category: Narita, S.]]
[[Category: Tsukihara T]]
[[Category: Tsukihara, T.]]
[[Category: Yoshimura M]]
[[Category: Yoshimura, M.]]
[[Category: Beta barrel]]
 
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