2z2r

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[[Image:2z2r.png|left|200px]]
 
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{{STRUCTURE_2z2r| PDB=2z2r | SCENE= }}
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==Nucleosome assembly proteins I (NAP-1, 74-365)==
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<StructureSection load='2z2r' size='340' side='right'caption='[[2z2r]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2z2r]] is a 2 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=2Z2R OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2Z2R 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]] 3.2&#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=2z2r FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2z2r OCA], [https://pdbe.org/2z2r PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2z2r RCSB], [https://www.ebi.ac.uk/pdbsum/2z2r PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2z2r ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/NAP1_YEAST NAP1_YEAST] Acidic protein, which assembles histones into an octamer (in vitro). Involved in the regulation of the localization and the function of the septins during mitosis. Involved in the function of B-type cyclins.<ref>PMID:2016313</ref> <ref>PMID:7622566</ref> <ref>PMID:12058072</ref> <ref>PMID:18086883</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/z2/2z2r_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=2z2r 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 histone chaperone nucleosome assembly protein 1 (NAP1) is implicated in histone shuttling as well as nucleosome assembly and disassembly. Under physiological conditions, NAP1 dimers exist in a mixture of various high-molecular-weight oligomers whose size may be regulated by the cell cycle-dependent concentration of NAP1. Both the functional and structural significance of the observed oligomers are unknown. We have resolved the molecular mechanism by which yeast NAP1 (yNAP1) dimers oligomerize by applying x-ray crystallographic, hydrodynamic, and functional approaches. We found that an extended beta-hairpin that protrudes from the compact core of the yNAP1 dimer forms a stable beta-sheet with beta-hairpins of neighboring yNAP1 dimers. Disruption of the beta-hairpin (whose sequence is conserved among NAP1 proteins in various species) by the replacement of one or more amino acids with proline results in complete loss of yNAP1 dimer oligomerization. The in vitro functions of yNAP1 remain unaffected by the mutations. We have thus identified a conserved structural feature of NAP1 whose function, in addition to presenting the nuclear localization sequence, appears to be the formation of higher-order oligomers.
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===Nucleosome assembly proteins I (NAP-1, 74-365)===
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A beta-hairpin comprising the nuclear localization sequence sustains the self-associated states of nucleosome assembly protein 1.,Park YJ, McBryant SJ, Luger K J Mol Biol. 2008 Jan 25;375(4):1076-85. Epub 2007 Nov 19. PMID:18068721<ref>PMID:18068721</ref>
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{{ABSTRACT_PUBMED_18068721}}
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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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==About this Structure==
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<div class="pdbe-citations 2z2r" style="background-color:#fffaf0;"></div>
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[[2z2r]] is a 2 chain structure with 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=2Z2R OCA].
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== References ==
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<references/>
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==Reference==
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__TOC__
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<ref group="xtra">PMID:018068721</ref><references group="xtra"/>
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Luger, K.]]
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[[Category: Luger K]]
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[[Category: Park, Y J.]]
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[[Category: Park YJ]]
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[[Category: Chaperone]]
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[[Category: Histone chaperone]]
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Current revision

Nucleosome assembly proteins I (NAP-1, 74-365)

PDB ID 2z2r

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