1cpn

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[[Image:1cpn.gif|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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The line below this paragraph, containing "STRUCTURE_1cpn", creates the "Structure Box" on the page.
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<StructureSection load='1cpn' size='340' side='right'caption='[[1cpn]], [[Resolution|resolution]] 1.80&Aring;' 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'>[[1cpn]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Paenibacillus_macerans Paenibacillus macerans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CPN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CPN 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">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</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=CA:CALCIUM+ION'>CA</scene></td></tr>
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{{STRUCTURE_1cpn| PDB=1cpn | 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=1cpn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cpn OCA], [https://pdbe.org/1cpn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1cpn RCSB], [https://www.ebi.ac.uk/pdbsum/1cpn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1cpn ProSAT]</span></td></tr>
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</table>
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'''NATIVE-LIKE IN VIVO FOLDING OF A CIRCULARLY PERMUTED JELLYROLL PROTEIN SHOWN BY CRYSTAL STRUCTURE ANALYSIS'''
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== Function ==
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[https://www.uniprot.org/uniprot/GUB_PAEMA GUB_PAEMA]
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== Evolutionary Conservation ==
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==Overview==
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[[Image:Consurf_key_small.gif|200px|right]]
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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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Check<jmol>
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<jmolCheckbox>
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==About this Structure==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cp/1cpn_consurf.spt"</scriptWhenChecked>
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1CPN is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Paenibacillus_macerans Paenibacillus macerans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CPN OCA].
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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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==Reference==
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</jmolCheckbox>
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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:[http://www.ncbi.nlm.nih.gov/pubmed/7937966 7937966]
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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/main_output.php?pdb_ID=1cpn ConSurf].
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[[Category: Licheninase]]
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<div style="clear:both"></div>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Paenibacillus macerans]]
[[Category: Paenibacillus macerans]]
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[[Category: Single protein]]
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[[Category: Hahn M]]
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[[Category: Hahn, M.]]
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[[Category: Heinemann U]]
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[[Category: Heinemann, U.]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 12:58:52 2008''
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Current revision

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

PDB ID 1cpn

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