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3qla
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| - | {{STRUCTURE_3qla| PDB=3qla | SCENE= }} | ||
| - | ===Hexagonal complex structure of ATRX ADD bound to H3K9me3 peptide=== | ||
| - | == | + | ==Hexagonal complex structure of ATRX ADD bound to H3K9me3 peptide== |
| - | [[http://www.uniprot.org/uniprot/ATRX_HUMAN ATRX_HUMAN | + | <StructureSection load='3qla' size='340' side='right'caption='[[3qla]], [[Resolution|resolution]] 1.60Å' scene=''> |
| + | == Structural highlights == | ||
| + | <table><tr><td colspan='2'>[[3qla]] 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=3QLA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3QLA FirstGlance]. <br> | ||
| + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.6Å</td></tr> | ||
| + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=M3L:N-TRIMETHYLLYSINE'>M3L</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr> | ||
| + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3qla FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3qla OCA], [https://pdbe.org/3qla PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3qla RCSB], [https://www.ebi.ac.uk/pdbsum/3qla PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3qla ProSAT]</span></td></tr> | ||
| + | </table> | ||
| + | == Disease == | ||
| + | [https://www.uniprot.org/uniprot/ATRX_HUMAN ATRX_HUMAN] Defects in ATRX are the cause of alpha-thalassemia mental retardation syndrome X-linked (ATRX) [MIM:[https://omim.org/entry/301040 301040]. ATR-X is an X-linked disorder comprising severe psychomotor retardation, facial dysmorphism, urogenital abnormalities, and alpha-thalassemia. An essential phenotypic trait are hemoglobin H erythrocyte inclusions.<ref>PMID:8968741</ref> <ref>PMID:7697714</ref> <ref>PMID:9043863</ref> <ref>PMID:9326931</ref> <ref>PMID:10660327</ref> <ref>PMID:10417298</ref> <ref>PMID:10204841</ref> <ref>PMID:10995512</ref> <ref>PMID:12116232</ref> <ref>PMID:16955409</ref> Defects in ATRX are the cause of mental retardation syndromic X-linked with hypotonic facies syndrome type 1 (MRXSHF1) [MIM:[https://omim.org/entry/309580 309580]; also called Carpenter-Waziri syndrome (CWS), Juberg-Marsidi syndrome (JMS), Smith-Fineman-Myers syndrome type 1 (SFM1). Clinical features include severe mental retardation, dysmorphic facies, and a highly skewed X-inactivation pattern in carrier women. Other more variable features include hypogonadism, deafness, renal anomalies, and mild skeletal defects.<ref>PMID:10751095</ref> <ref>PMID:8630485</ref> <ref>PMID:10398237</ref> <ref>PMID:11050622</ref> <ref>PMID:16222662</ref> <ref>PMID:15565397</ref> Defects in ATRX are a cause of alpha-thalassemia myelodysplasia syndrome (ATMDS) [MIM:[https://omim.org/entry/300448 300448]. In this disorder, alpha-thalassemia occurs as an acquired abnormality in association with a multilineage myelodysplasia.<ref>PMID:12858175</ref> | ||
| + | == Function == | ||
| + | [https://www.uniprot.org/uniprot/ATRX_HUMAN ATRX_HUMAN] Could be a global transcriptional regulator. Modifies gene expression by affecting chromatin. May be involved in brain development and facial morphogenesis. | ||
| + | <div style="background-color:#fffaf0;"> | ||
| + | == Publication Abstract from PubMed == | ||
| + | ATR-X (alpha-thalassemia/mental retardation, X-linked) syndrome is a human congenital disorder that causes severe intellectual disabilities. Mutations in the ATRX gene, which encodes an ATP-dependent chromatin-remodeler, are responsible for the syndrome. Approximately 50% of the missense mutations in affected persons are clustered in a cysteine-rich domain termed ADD (ATRX-DNMT3-DNMT3L, ADD(ATRX)), whose function has remained elusive. Here we identify ADD(ATRX) as a previously unknown histone H3-binding module, whose binding is promoted by lysine 9 trimethylation (H3K9me3) but inhibited by lysine 4 trimethylation (H3K4me3). The cocrystal structure of ADD(ATRX) bound to H3(1-15)K9me3 peptide reveals an atypical composite H3K9me3-binding pocket, which is distinct from the conventional trimethyllysine-binding aromatic cage. Notably, H3K9me3-pocket mutants and ATR-X syndrome mutants are defective in both H3K9me3 binding and localization at pericentromeric heterochromatin; thus, we have discovered a unique histone-recognition mechanism underlying the ATR-X etiology. | ||
| - | + | ATRX ADD domain links an atypical histone methylation recognition mechanism to human mental-retardation syndrome.,Iwase S, Xiang B, Ghosh S, Ren T, Lewis PW, Cochrane JC, Allis CD, Picketts DJ, Patel DJ, Li H, Shi Y Nat Struct Mol Biol. 2011 Jun 12;18(7):769-76. doi: 10.1038/nsmb.2062. PMID:21666679<ref>PMID:21666679</ref> | |
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| - | + | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |
| - | + | </div> | |
| + | <div class="pdbe-citations 3qla" style="background-color:#fffaf0;"></div> | ||
==See Also== | ==See Also== | ||
| - | *[[Helicase|Helicase]] | + | *[[Helicase 3D structures|Helicase 3D structures]] |
| - | + | == References == | |
| - | == | + | <references/> |
| - | <references | + | __TOC__ |
| - | + | </StructureSection> | |
[[Category: Homo sapiens]] | [[Category: Homo sapiens]] | ||
| - | [[Category: | + | [[Category: Large Structures]] |
| - | [[Category: | + | [[Category: Li H]] |
| - | [[Category: | + | [[Category: Xiang B]] |
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Current revision
Hexagonal complex structure of ATRX ADD bound to H3K9me3 peptide
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