1jfi

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==Crystal Structure of the NC2-TBP-DNA Ternary Complex==
==Crystal Structure of the NC2-TBP-DNA Ternary Complex==
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<StructureSection load='1jfi' size='340' side='right' caption='[[1jfi]], [[Resolution|resolution]] 2.62&Aring;' scene=''>
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<StructureSection load='1jfi' size='340' side='right'caption='[[1jfi]], [[Resolution|resolution]] 2.62&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1jfi]] is a 5 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=1JFI OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1JFI FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1jfi]] is a 5 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. The July 2005 RCSB PDB [https://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 [https://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=1JFI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1JFI FirstGlance]. <br>
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</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">NC2 alpha (DRAP1) ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), NC2 beta (Dr1) ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), tbp ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
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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]] 2.62&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1jfi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jfi OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1jfi RCSB], [http://www.ebi.ac.uk/pdbsum/1jfi PDBsum], [http://www.topsan.org/Proteins/NYSGXRC/1jfi TOPSAN]</span></td></tr>
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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=1jfi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jfi OCA], [https://pdbe.org/1jfi PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1jfi RCSB], [https://www.ebi.ac.uk/pdbsum/1jfi PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1jfi ProSAT], [https://www.topsan.org/Proteins/NYSGXRC/1jfi TOPSAN]</span></td></tr>
</table>
</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>
 
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/NC2B_HUMAN NC2B_HUMAN]] The association of the DR1/DRAP1 heterodimer with TBP results in a functional repression of both activated and basal transcription of class II genes. This interaction precludes the formation of a transcription-competent complex by inhibiting the association of TFIIA and/or TFIIB with TBP. Can bind to DNA on its own. Component of the ATAC complex, a complex with histone acetyltransferase activity on histones H3 and H4.<ref>PMID:8670811</ref> <ref>PMID:19103755</ref> [[http://www.uniprot.org/uniprot/NC2A_HUMAN NC2A_HUMAN]] The association of the DR1/DRAP1 heterodimer with TBP results in a functional repression of both activated and basal transcription of class II genes. This interaction precludes the formation of a transcription-competent complex by inhibiting the association of TFIIA and/or TFIIB with TBP. Can bind to DNA on its own.<ref>PMID:8670811</ref> <ref>PMID:8608938</ref> [[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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[https://www.uniprot.org/uniprot/NC2A_HUMAN NC2A_HUMAN] The association of the DR1/DRAP1 heterodimer with TBP results in a functional repression of both activated and basal transcription of class II genes. This interaction precludes the formation of a transcription-competent complex by inhibiting the association of TFIIA and/or TFIIB with TBP. Can bind to DNA on its own.<ref>PMID:8670811</ref> <ref>PMID:8608938</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/jf/1jfi_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/jf/1jfi_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
</jmolCheckbox>
</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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</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=1jfi ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
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<div class="pdbe-citations 1jfi" style="background-color:#fffaf0;"></div>
==See Also==
==See Also==
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*[[TATA-Binding Protein|TATA-Binding Protein]]
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*[[TATA-binding protein 3D structures|TATA-binding protein 3D structures]]
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Large Structures]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: TATA-Binding Protein]]
[[Category: TATA-Binding Protein]]
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[[Category: Burley, S K]]
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[[Category: Burley SK]]
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[[Category: Chen, H]]
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[[Category: Chen H]]
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[[Category: Kamada, K]]
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[[Category: Kamada K]]
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[[Category: Malik, S]]
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[[Category: Malik S]]
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[[Category: Meisterernst, M]]
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[[Category: Meisterernst M]]
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[[Category: Structural genomic]]
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[[Category: Roeder RG]]
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[[Category: Roeder, R G]]
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[[Category: Shu F]]
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[[Category: Shu, F]]
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[[Category: Stelzer G]]
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[[Category: Stelzer, G]]
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[[Category: H2a/h2b]]
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[[Category: Histone]]
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[[Category: Nc2]]
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[[Category: Negative cofactor]]
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[[Category: NYSGXRC, New York SGX Research Center for Structural Genomics]]
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[[Category: PSI, Protein structure initiative]]
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[[Category: Tata-dna]]
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[[Category: Tbp]]
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[[Category: Transcription initiation]]
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[[Category: Transcription-dna complex]]
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Current revision

Crystal Structure of the NC2-TBP-DNA Ternary Complex

PDB ID 1jfi

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