1bp7

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[[Image:1bp7.gif|left|200px]]
 
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{{Structure
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==GROUP I MOBILE INTRON ENDONUCLEASE I-CREI COMPLEXED WITH HOMING SITE DNA==
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|PDB= 1bp7 |SIZE=350|CAPTION= <scene name='initialview01'>1bp7</scene>, resolution 3.00&Aring;
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<StructureSection load='1bp7' size='340' side='right'caption='[[1bp7]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=CA:CALCIUM ION'>CA</scene>
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<table><tr><td colspan='2'>[[1bp7]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Chlamydomonas_reinhardtii Chlamydomonas reinhardtii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1BP7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1BP7 FirstGlance]. <br>
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|ACTIVITY=
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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]] 3&#8491;</td></tr>
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|GENE=
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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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}}
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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=1bp7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1bp7 OCA], [https://pdbe.org/1bp7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1bp7 RCSB], [https://www.ebi.ac.uk/pdbsum/1bp7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1bp7 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/DNE1_CHLRE DNE1_CHLRE] Endonuclease involved in group I intron homing. Recognizes and cleaves a 19-24 bp palindromic DNA site.
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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/bp/1bp7_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/main_output.php?pdb_ID=1bp7 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 structure of the LAGLIDADG intron-encoded homing endonuclease I-CreI bound to homing site DNA has been determined. The interface is formed by an extended, concave beta sheet from each enzyme monomer that contacts each DNA half-site, resulting in direct side-chain contacts to 18 of the 24 base pairs across the full-length homing site. The structure indicates that I-CreI is optimized to its role in genetic transposition by exhibiting long site-recognition while being able to cleave many closely related target sequences. DNA cleavage is mediated by a compact pair of active sites in the I-CreI homodimer, each of which contains a separate bound divalent cation.
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'''GROUP I MOBILE INTRON ENDONUCLEASE I-CREI COMPLEXED WITH HOMING SITE DNA'''
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DNA recognition and cleavage by the LAGLIDADG homing endonuclease I-CreI.,Jurica MS, Monnat RJ Jr, Stoddard BL Mol Cell. 1998 Oct;2(4):469-76. PMID:9809068<ref>PMID:9809068</ref>
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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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<div class="pdbe-citations 1bp7" style="background-color:#fffaf0;"></div>
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==Overview==
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==See Also==
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The structure of the LAGLIDADG intron-encoded homing endonuclease I-CreI bound to homing site DNA has been determined. The interface is formed by an extended, concave beta sheet from each enzyme monomer that contacts each DNA half-site, resulting in direct side-chain contacts to 18 of the 24 base pairs across the full-length homing site. The structure indicates that I-CreI is optimized to its role in genetic transposition by exhibiting long site-recognition while being able to cleave many closely related target sequences. DNA cleavage is mediated by a compact pair of active sites in the I-CreI homodimer, each of which contains a separate bound divalent cation.
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*[[Endonuclease 3D structures|Endonuclease 3D structures]]
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== References ==
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==About this Structure==
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<references/>
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1BP7 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Chlamydomonas_reinhardtii Chlamydomonas reinhardtii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1BP7 OCA].
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__TOC__
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</StructureSection>
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==Reference==
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DNA recognition and cleavage by the LAGLIDADG homing endonuclease I-CreI., Jurica MS, Monnat RJ Jr, Stoddard BL, Mol Cell. 1998 Oct;2(4):469-76. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9809068 9809068]
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[[Category: Chlamydomonas reinhardtii]]
[[Category: Chlamydomonas reinhardtii]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Junior, R J.Monnat.]]
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[[Category: Jurica MS]]
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[[Category: Jurica, M S.]]
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[[Category: Monnat Junior RJ]]
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[[Category: Stoddard, B L.]]
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[[Category: Stoddard BL]]
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[[Category: CA]]
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[[Category: chloroplast dna]]
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[[Category: dna complex]]
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[[Category: endonuclease]]
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[[Category: group i mobile intron]]
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[[Category: intron homing]]
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[[Category: laglidadg motif]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 10:13:58 2008''
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Current revision

GROUP I MOBILE INTRON ENDONUCLEASE I-CREI COMPLEXED WITH HOMING SITE DNA

PDB ID 1bp7

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