1cdw

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{{STRUCTURE_1cdw| PDB=1cdw | SCENE= }}
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==HUMAN TBP CORE DOMAIN COMPLEXED WITH DNA==
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===HUMAN TBP CORE DOMAIN COMPLEXED WITH DNA===
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<StructureSection load='1cdw' size='340' side='right' caption='[[1cdw]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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{{ABSTRACT_PUBMED_8643494}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1cdw]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. The July 2005 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''TATA-Binding Protein'' by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2005_7 10.2210/rcsb_pdb/mom_2005_7]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CDW OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1CDW FirstGlance]. <br>
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</td></tr><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=1cdw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cdw OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1cdw RCSB], [http://www.ebi.ac.uk/pdbsum/1cdw PDBsum]</span></td></tr>
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<table>
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== Disease ==
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[[http://www.uniprot.org/uniprot/TBP_HUMAN TBP_HUMAN]] Defects in TBP are the cause of spinocerebellar ataxia type 17 (SCA17) [MIM:[http://omim.org/entry/607136 607136]]. Spinocerebellar ataxia is a clinically and genetically heterogeneous group of cerebellar disorders. Patients show progressive incoordination of gait and often poor coordination of hands, speech and eye movements, due to degeneration of the cerebellum with variable involvement of the brainstem and spinal cord. SCA17 is an autosomal dominant cerebellar ataxia (ADCA) characterized by widespread cerebral and cerebellar atrophy, dementia and extrapyramidal signs. The molecular defect in SCA17 is the expansion of a CAG repeat in the coding region of TBP. Longer expansions result in earlier onset and more severe clinical manifestations of the disease.<ref>PMID:11313753</ref> <ref>PMID:11448935</ref> <ref>PMID:11939898</ref>
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== Function ==
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[[http://www.uniprot.org/uniprot/TBP_HUMAN TBP_HUMAN]] General transcription factor that functions at the core of the DNA-binding multiprotein factor TFIID. Binding of TFIID to the TATA box is the initial transcriptional step of the pre-initiation complex (PIC), playing a role in the activation of eukaryotic genes transcribed by RNA polymerase II. Component of the transcription factor SL1/TIF-IB complex, which is involved in the assembly of the PIC (preinitiation complex) during RNA polymerase I-dependent transcription. The rate of PIC formation probably is primarily dependent on the rate of association of SL1 with the rDNA promoter. SL1 is involved in stabilization of nucleolar transcription factor 1/UBTF on rDNA.<ref>PMID:15970593</ref>
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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/cd/1cdw_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 TATA box-binding protein (TBP) is required by all three eukaryotic RNA polymerases for correct initiation of transcription of ribosomal, messenger, small nuclear, and transfer RNAs. The cocrystal structure of the C-terminal/core region of human TBP complexed with the TATA element of the adenovirus major late promoter has been determined at 1.9 angstroms resolution. Structural and functional analyses of the protein-DNA complex are presented, with a detailed comparison to our 1.9-angstroms resolution structure of Arabidopsis thaliana TBP2 bound to the same TATA box.
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==Disease==
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Crystal structure of a human TATA box-binding protein/TATA element complex.,Nikolov DB, Chen H, Halay ED, Hoffman A, Roeder RG, Burley SK Proc Natl Acad Sci U S A. 1996 May 14;93(10):4862-7. PMID:8643494<ref>PMID:8643494</ref>
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[[http://www.uniprot.org/uniprot/TBP_HUMAN TBP_HUMAN]] Defects in TBP are the cause of spinocerebellar ataxia type 17 (SCA17) [MIM:[http://omim.org/entry/607136 607136]]. Spinocerebellar ataxia is a clinically and genetically heterogeneous group of cerebellar disorders. Patients show progressive incoordination of gait and often poor coordination of hands, speech and eye movements, due to degeneration of the cerebellum with variable involvement of the brainstem and spinal cord. SCA17 is an autosomal dominant cerebellar ataxia (ADCA) characterized by widespread cerebral and cerebellar atrophy, dementia and extrapyramidal signs. The molecular defect in SCA17 is the expansion of a CAG repeat in the coding region of TBP. Longer expansions result in earlier onset and more severe clinical manifestations of the disease.<ref>PMID:11313753</ref><ref>PMID:11448935</ref><ref>PMID:11939898</ref>
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==Function==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[http://www.uniprot.org/uniprot/TBP_HUMAN TBP_HUMAN]] General transcription factor that functions at the core of the DNA-binding multiprotein factor TFIID. Binding of TFIID to the TATA box is the initial transcriptional step of the pre-initiation complex (PIC), playing a role in the activation of eukaryotic genes transcribed by RNA polymerase II. Component of the transcription factor SL1/TIF-IB complex, which is involved in the assembly of the PIC (preinitiation complex) during RNA polymerase I-dependent transcription. The rate of PIC formation probably is primarily dependent on the rate of association of SL1 with the rDNA promoter. SL1 is involved in stabilization of nucleolar transcription factor 1/UBTF on rDNA.<ref>PMID:15970593</ref>
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</div>
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==About this Structure==
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[[1cdw]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. The July 2005 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''TATA-Binding Protein'' by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2005_7 10.2210/rcsb_pdb/mom_2005_7]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CDW OCA].
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==See Also==
==See Also==
*[[TATA-Binding Protein|TATA-Binding Protein]]
*[[TATA-Binding Protein|TATA-Binding Protein]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:008643494</ref><ref group="xtra">PMID:011258480</ref><ref group="xtra">PMID:015048824</ref><references group="xtra"/><references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: RCSB PDB Molecule of the Month]]

Revision as of 16:21, 29 September 2014

HUMAN TBP CORE DOMAIN COMPLEXED WITH DNA

1cdw, resolution 1.90Å

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