3tuo

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{{STRUCTURE_3tuo| PDB=3tuo | SCENE= }}
 
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===Crystal structure of N-terminal domain of DNA-binding protein satb1===
 
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{{ABSTRACT_PUBMED_22241778}}
 
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==Function==
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==Crystal structure of N-terminal domain of DNA-binding protein satb1==
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[[http://www.uniprot.org/uniprot/SATB1_HUMAN SATB1_HUMAN]] Crucial silencing factor contributing to the initiation of X inactivation mediated by Xist RNA that occurs during embryogenesis and in lymphoma (By similarity). Binds to DNA at special AT-rich sequences, the consensus SATB1-binding sequence (CSBS), at nuclear matrix- or scaffold-associated regions. Thought to recognize the sugar-phosphate structure of double-stranded DNA. Transcriptional repressor controlling nuclear and viral gene expression in a phosphorylated and acetylated status-dependent manner, by binding to matrix attachment regions (MARs) of DNA and inducing a local chromatin-loop remodeling. Acts as a docking site for several chromatin remodeling enzymes (e.g. PML at the MHC-I locus) and also by recruiting corepressors (HDACs) or coactivators (HATs) directly to promoters and enhancers. Modulates genes that are essential in the maturation of the immune T-cell CD8SP from thymocytes. Required for the switching of fetal globin species, and beta- and gamma-globin genes regulation during erythroid differentiation. Plays a role in chromatin organization and nuclear architecture during apoptosis. Interacts with the unique region (UR) of cytomegalovirus (CMV). Alu-like motifs and SATB1-binding sites provide a unique chromatin context which seems preferentially targeted by the HIV-1 integration machinery. Moreover, HIV-1 Tat may overcome SATB1-mediated repression of IL2 and IL2RA (interleukin) in T-cells by binding to the same domain than HDAC1. Delineates specific epigenetic modifications at target gene loci, directly up-regulating metastasis-associated genes while down-regulating tumor-suppressor genes. Reprograms chromatin organization and the transcription profiles of breast tumors to promote growth and metastasis.<ref>PMID:1505028</ref> <ref>PMID:9111059</ref> <ref>PMID:9548713</ref> <ref>PMID:10595394</ref> <ref>PMID:11463840</ref> <ref>PMID:12374985</ref> <ref>PMID:12692553</ref> <ref>PMID:15618465</ref> <ref>PMID:15713622</ref> <ref>PMID:16377216</ref> <ref>PMID:16630892</ref> <ref>PMID:17376900</ref> <ref>PMID:17173041</ref> <ref>PMID:18337816</ref> <ref>PMID:19332023</ref> <ref>PMID:19430959</ref> <ref>PMID:19103759</ref> <ref>PMID:19247486</ref>
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<StructureSection load='3tuo' size='340' side='right'caption='[[3tuo]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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== Structural highlights ==
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==About this Structure==
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<table><tr><td colspan='2'>[[3tuo]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3TUO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3TUO FirstGlance]. <br>
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[[3tuo]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3TUO OCA].
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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]] 1.697&#8491;</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=3tuo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3tuo OCA], [https://pdbe.org/3tuo PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3tuo RCSB], [https://www.ebi.ac.uk/pdbsum/3tuo PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3tuo ProSAT]</span></td></tr>
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==Reference==
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</table>
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<ref group="xtra">PMID:022241778</ref><references group="xtra"/><references/>
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== Function ==
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[https://www.uniprot.org/uniprot/SATB1_HUMAN SATB1_HUMAN] Crucial silencing factor contributing to the initiation of X inactivation mediated by Xist RNA that occurs during embryogenesis and in lymphoma (By similarity). Binds to DNA at special AT-rich sequences, the consensus SATB1-binding sequence (CSBS), at nuclear matrix- or scaffold-associated regions. Thought to recognize the sugar-phosphate structure of double-stranded DNA. Transcriptional repressor controlling nuclear and viral gene expression in a phosphorylated and acetylated status-dependent manner, by binding to matrix attachment regions (MARs) of DNA and inducing a local chromatin-loop remodeling. Acts as a docking site for several chromatin remodeling enzymes (e.g. PML at the MHC-I locus) and also by recruiting corepressors (HDACs) or coactivators (HATs) directly to promoters and enhancers. Modulates genes that are essential in the maturation of the immune T-cell CD8SP from thymocytes. Required for the switching of fetal globin species, and beta- and gamma-globin genes regulation during erythroid differentiation. Plays a role in chromatin organization and nuclear architecture during apoptosis. Interacts with the unique region (UR) of cytomegalovirus (CMV). Alu-like motifs and SATB1-binding sites provide a unique chromatin context which seems preferentially targeted by the HIV-1 integration machinery. Moreover, HIV-1 Tat may overcome SATB1-mediated repression of IL2 and IL2RA (interleukin) in T-cells by binding to the same domain than HDAC1. Delineates specific epigenetic modifications at target gene loci, directly up-regulating metastasis-associated genes while down-regulating tumor-suppressor genes. Reprograms chromatin organization and the transcription profiles of breast tumors to promote growth and metastasis.<ref>PMID:1505028</ref> <ref>PMID:9111059</ref> <ref>PMID:9548713</ref> <ref>PMID:10595394</ref> <ref>PMID:11463840</ref> <ref>PMID:12374985</ref> <ref>PMID:12692553</ref> <ref>PMID:15618465</ref> <ref>PMID:15713622</ref> <ref>PMID:16377216</ref> <ref>PMID:16630892</ref> <ref>PMID:17376900</ref> <ref>PMID:17173041</ref> <ref>PMID:18337816</ref> <ref>PMID:19332023</ref> <ref>PMID:19430959</ref> <ref>PMID:19103759</ref> <ref>PMID:19247486</ref>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Long, J.]]
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[[Category: Large Structures]]
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[[Category: Shen, Y.]]
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[[Category: Long J]]
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[[Category: Wang, Z.]]
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[[Category: Shen Y]]
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[[Category: Yang, X.]]
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[[Category: Wang Z]]
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[[Category: Dna binding]]
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[[Category: Yang X]]
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[[Category: Dna binding protein]]
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Current revision

Crystal structure of N-terminal domain of DNA-binding protein satb1

PDB ID 3tuo

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