1pma

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[[Image:1pma.png|left|200px]]
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==PROTEASOME FROM THERMOPLASMA ACIDOPHILUM==
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<StructureSection load='1pma' size='340' side='right' caption='[[1pma]], [[Resolution|resolution]] 3.40&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1pma]] is a 28 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermoplasma_acidophilum Thermoplasma acidophilum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PMA OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1PMA FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Proteasome_endopeptidase_complex Proteasome endopeptidase complex], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.25.1 3.4.25.1] </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=1pma FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1pma OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1pma RCSB], [http://www.ebi.ac.uk/pdbsum/1pma 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/pm/1pma_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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The three-dimensional structure of the proteasome from the archaebacterium Thermoplasma acidophilum has been elucidated by x-ray crystallographic analysis by means of isomorphous replacement and cyclic averaging. The atomic model was built and refined to a crystallographic R factor of 22.1 percent. The 673-kilodalton protease complex consists of 14 copies of two different subunits, alpha and beta, forming a barrel-shaped structure of four stacked rings. The two inner rings consist of seven beta subunits each, and the two outer rings consist of seven alpha subunits each. A narrow channel controls access to the three inner compartments. The alpha 7 beta 7 beta 7 alpha 7 subunit assembly has 72-point group symmetry. The structures of the alpha and beta subunits are similar, consisting of a core of two antiparallel beta sheets that is flanked by alpha helices on both sides. The binding of a peptide aldehyde inhibitor marks the active site in the central cavity at the amino termini of the beta subunits and suggests a novel proteolytic mechanism.
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{{STRUCTURE_1pma| PDB=1pma | SCENE= }}
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Crystal structure of the 20S proteasome from the archaeon T. acidophilum at 3.4 A resolution.,Lowe J, Stock D, Jap B, Zwickl P, Baumeister W, Huber R Science. 1995 Apr 28;268(5210):533-9. PMID:7725097<ref>PMID:7725097</ref>
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===PROTEASOME FROM THERMOPLASMA ACIDOPHILUM===
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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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{{ABSTRACT_PUBMED_7725097}}
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==About this Structure==
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[[1pma]] is a 28 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermoplasma_acidophilum Thermoplasma acidophilum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PMA OCA].
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==See Also==
==See Also==
*[[Proteasome|Proteasome]]
*[[Proteasome|Proteasome]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:007725097</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Proteasome endopeptidase complex]]
[[Category: Proteasome endopeptidase complex]]
[[Category: Thermoplasma acidophilum]]
[[Category: Thermoplasma acidophilum]]

Revision as of 23:42, 28 September 2014

PROTEASOME FROM THERMOPLASMA ACIDOPHILUM

1pma, resolution 3.40Å

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