1wg3

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{{Seed}}
 
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[[Image:1wg3.png|left|200px]]
 
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==Structural analysis of yeast nucleosome-assembly factor CIA1p==
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The line below this paragraph, containing "STRUCTURE_1wg3", creates the "Structure Box" on the page.
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<StructureSection load='1wg3' size='340' side='right'caption='[[1wg3]], [[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'>[[1wg3]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WG3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1WG3 FirstGlance]. <br>
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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='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1wg3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1wg3 OCA], [https://pdbe.org/1wg3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1wg3 RCSB], [https://www.ebi.ac.uk/pdbsum/1wg3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1wg3 ProSAT], [https://www.topsan.org/Proteins/RSGI/1wg3 TOPSAN]</span></td></tr>
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{{STRUCTURE_1wg3| PDB=1wg3 | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ASF1_YEAST ASF1_YEAST] Histone chaperone that facilitates histone deposition and histone exchange and removal during nucleosome assembly and disassembly. Facilitates histone deposition through both replication-dependent and replication-independent chromatin assembly pathways. Cooperates with chromatin assembly factor 1 (CAF-1) to promote replication-dependent chromatin assembly and with the HIR complex to promote replication-independent chromatin assembly, which may occur during transcription and DNA repair. May be required for the maintenance of a subset of replication elongation factors, including DNA polymerase epsilon, the RFC complex and PCNA, at stalled replication forks. Also required for acetylation of histone H3 on 'Lys-9' and 'Lys-56'.<ref>PMID:9290207</ref> <ref>PMID:10591219</ref> <ref>PMID:11412995</ref> <ref>PMID:11331602</ref> <ref>PMID:11731479</ref> <ref>PMID:11731480</ref> <ref>PMID:11404324</ref> <ref>PMID:11172707</ref> <ref>PMID:11856374</ref> <ref>PMID:11756556</ref> <ref>PMID:12093919</ref> <ref>PMID:14585955</ref> <ref>PMID:15071494</ref> <ref>PMID:15452122</ref> <ref>PMID:15175160</ref> <ref>PMID:15542829</ref> <ref>PMID:15542840</ref> <ref>PMID:15766286</ref> <ref>PMID:16303565</ref> <ref>PMID:15821127</ref> <ref>PMID:15901673</ref> <ref>PMID:16020781</ref> <ref>PMID:16143623</ref> <ref>PMID:16039596</ref> <ref>PMID:15632066</ref> <ref>PMID:15891116</ref> <ref>PMID:16141196</ref> <ref>PMID:15840725</ref> <ref>PMID:16815704</ref> <ref>PMID:16936140</ref> <ref>PMID:16582440</ref> <ref>PMID:16407267</ref> <ref>PMID:17046836</ref> <ref>PMID:16678113</ref> <ref>PMID:16501045</ref> <ref>PMID:16627621</ref> <ref>PMID:17107956</ref> <ref>PMID:17320445</ref> <ref>PMID:14680630</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/wg/1wg3_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/main_output.php?pdb_ID=1wg3 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 structural relationships between histone-binding proteins and DNA-binding proteins are important, since nucleosome-interacting factors possess histone-binding and/or DNA-binding components. S. cerevisiae (Sc) Cia1p/Asf1p, a homologue of human CIA (CCG1-interacting factor A), is the most evolutionarily conserved histone chaperone, which facilitates nucleosome assembly by interacting with the nucleosome entry site of the core histones H3/H4. The crystal structure of the evolutionarily conserved domain (residues 1-169) of Cia1p (ScCia1p-DeltaC2) was determined at 2.95 A resolution. The refined model contains 166 residues in the asymmetric unit. The overall tertiary structure resembles a beta-sandwich fold, and belongs to the "switched" immunoglobulin class of proteins. The crystal structure suggests that ScCia1p-DeltaC2 is structurally related to the DNA-binding proteins, such as NF-kappaB and its family members. This is the first examination of the structural similarities between a histone chaperone and DNA-binding proteins. We discuss the possibilities that the strands beta3 and beta4, which possess highly electronegative surface potentials, are the important regions for the interaction with core histones, and that the histone chaperone ScCia1p/Asf1p and the DNA-binding protein NF-kappaB may have evolved from the same prototypal protein class.
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===Structural analysis of yeast nucleosome-assembly factor CIA1p===
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Structural similarity between histone chaperone Cia1p/Asf1p and DNA-binding protein NF-kappaB.,Padmanabhan B, Kataoka K, Umehara T, Adachi N, Yokoyama S, Horikoshi M J Biochem. 2005 Dec;138(6):821-9. PMID:16428312<ref>PMID:16428312</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 1wg3" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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1WG3 is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WG3 OCA].
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*[[Anti-silencing factor 3D structures|Anti-silencing factor 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Adachi, N.]]
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[[Category: Adachi N]]
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[[Category: Horikoshi, M.]]
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[[Category: Horikoshi M]]
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[[Category: Kataoka, K.]]
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[[Category: Kataoka K]]
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[[Category: Padmanabhan, B.]]
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[[Category: Padmanabhan B]]
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[[Category: RSGI, RIKEN Structural Genomics/Proteomics Initiative.]]
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[[Category: Umehara T]]
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[[Category: Umehara, T.]]
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[[Category: Yokoyama S]]
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[[Category: Yokoyama, S.]]
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[[Category: Beta-sandwich]]
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[[Category: Riken structural genomics/proteomics initiative]]
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[[Category: Rsgi]]
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[[Category: Structural genomic]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Nov 16 11:01:48 2008''
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Current revision

Structural analysis of yeast nucleosome-assembly factor CIA1p

PDB ID 1wg3

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