1ltl

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[[Image:1ltl.gif|left|200px]]
 
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==THE DODECAMER STRUCTURE OF MCM FROM ARCHAEAL M. THERMOAUTOTROPHICUM==
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The line below this paragraph, containing "STRUCTURE_1ltl", creates the "Structure Box" on the page.
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<StructureSection load='1ltl' size='340' side='right'caption='[[1ltl]], [[Resolution|resolution]] 3.00&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'>[[1ltl]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Methanothermobacter_thermautotrophicus Methanothermobacter thermautotrophicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LTL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1LTL 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]] 3&#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=ZN:ZINC+ION'>ZN</scene></td></tr>
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{{STRUCTURE_1ltl| PDB=1ltl | 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=1ltl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ltl OCA], [https://pdbe.org/1ltl PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ltl RCSB], [https://www.ebi.ac.uk/pdbsum/1ltl PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ltl ProSAT]</span></td></tr>
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</table>
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'''THE DODECAMER STRUCTURE OF MCM FROM ARCHAEAL M. THERMOAUTOTROPHICUM'''
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== Function ==
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[https://www.uniprot.org/uniprot/O27798_METTH O27798_METTH]
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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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Eukaryotic chromosomal DNA is licensed for replication precisely once in each cell cycle. The mini-chromosome maintenance (MCM) complex plays a role in this replication licensing. We have determined the structure of a fragment of MCM from Methanobacterium thermoautotrophicum (mtMCM), a model system for eukaryotic MCM. The structure reveals a novel dodecameric architecture with a remarkably long central channel. The channel surface has an unusually high positive charge and binds DNA. We also show that the structure of the N-terminal fragment is conserved for all MCMs proteins despite highly divergent sequences, suggesting a common architecture for a similar task: gripping/remodeling DNA and regulating MCM activity. An mtMCM mutant protein equivalent to a yeast MCM5 (CDC46) protein with the bob1 mutation at its N terminus has only subtle structural changes, suggesting a Cdc7-bypass mechanism by Bob1 in yeast. Yeast bypass experiments using MCM5 mutant proteins support the hypothesis for the bypass mechanism.
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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/lt/1ltl_consurf.spt"</scriptWhenChecked>
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1LTL is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Methanothermobacter_thermautotrophicus Methanothermobacter thermautotrophicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LTL 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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The structure and function of MCM from archaeal M. Thermoautotrophicum., Fletcher RJ, Bishop BE, Leon RP, Sclafani RA, Ogata CM, Chen XS, Nat Struct Biol. 2003 Mar;10(3):160-7. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12548282 12548282]
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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=1ltl ConSurf].
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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: Methanothermobacter thermautotrophicus]]
[[Category: Methanothermobacter thermautotrophicus]]
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[[Category: Single protein]]
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[[Category: Bishop BE]]
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[[Category: Bishop, B E.]]
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[[Category: Chen XS]]
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[[Category: Chen, X S.]]
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[[Category: Fletcher RJ]]
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[[Category: Fletcher, R J.]]
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[[Category: Leon RP]]
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[[Category: Leon, R P.]]
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[[Category: Ogata CM]]
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[[Category: Ogata, C M.]]
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[[Category: Sclafani RA]]
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[[Category: Sclafani, R A.]]
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[[Category: Replication]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 00:16:31 2008''
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Current revision

THE DODECAMER STRUCTURE OF MCM FROM ARCHAEAL M. THERMOAUTOTROPHICUM

PDB ID 1ltl

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