1cpm

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[[Image:1cpm.png|left|200px]]
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==NATIVE-LIKE IN VIVO FOLDING OF A CIRCULARLY PERMUTED JELLYROLL PROTEIN SHOWN BY CRYSTAL STRUCTURE ANALYSIS==
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<StructureSection load='1cpm' size='340' side='right' caption='[[1cpm]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1cpm]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Paenibacillus_macerans Paenibacillus macerans]. The April 2010 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Concanavalin A and Circular Permutation'' by David Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2010_4 10.2210/rcsb_pdb/mom_2010_4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CPM OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1CPM FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene><br>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Licheninase Licheninase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.73 3.2.1.73] </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=1cpm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cpm OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1cpm RCSB], [http://www.ebi.ac.uk/pdbsum/1cpm 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/cp/1cpm_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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A jellyroll beta-sandwich protein, the Bacillus beta-glucanase H(A16-M), is used to probe the role of N-terminal peptide regions in protein folding in vivo. A gene encoding H(A16-M) is rearranged to place residues 1-58 of the protein behind a signal peptide and residues 59-214. The rearranged gene is expressed in Escherichia coli. The resultant circularly permuted protein, cpA16M-59, is secreted into the periplasm, correctly processed, and folded into a stable and active enzyme. Crystal structure analysis at 2.0-A resolution, R = 15.3%, shows cpA16M-59 to have a three-dimensional structure nearly identical with that of the parent beta-glucanase. An analogous experiment based on the wild-type Bacillus macerans beta-glucanase, giving rise to the circularly permuted variant cpMAC-57, yields the same results. Folding of these proteins, therefore, is not a vectorial process depending on the conformation adopted by their native N-terminal oligopeptides after ribosomal synthesis and translocation through the cytoplasmic membrane.
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{{STRUCTURE_1cpm| PDB=1cpm | SCENE= }}
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Native-like in vivo folding of a circularly permuted jellyroll protein shown by crystal structure analysis.,Hahn M, Piotukh K, Borriss R, Heinemann U Proc Natl Acad Sci U S A. 1994 Oct 25;91(22):10417-21. PMID:7937966<ref>PMID:7937966</ref>
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===NATIVE-LIKE IN VIVO FOLDING OF A CIRCULARLY PERMUTED JELLYROLL PROTEIN SHOWN BY CRYSTAL STRUCTURE ANALYSIS===
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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_7937966}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1cpm]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Paenibacillus_macerans Paenibacillus macerans]. The April 2010 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Concanavalin A and Circular Permutation'' by David Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2010_4 10.2210/rcsb_pdb/mom_2010_4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CPM OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:007937966</ref><references group="xtra"/>
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[[Category: Concanavalin A and Circular Permutation]]
[[Category: Concanavalin A and Circular Permutation]]
[[Category: Licheninase]]
[[Category: Licheninase]]

Revision as of 11:10, 3 October 2014

NATIVE-LIKE IN VIVO FOLDING OF A CIRCULARLY PERMUTED JELLYROLL PROTEIN SHOWN BY CRYSTAL STRUCTURE ANALYSIS

1cpm, resolution 2.00Å

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