3d7q: Difference between revisions

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[[Image:3d7q.png|left|200px]]


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==Crystal structure of a xisi-like protein (npun_ar114) from nostoc punctiforme pcc 73102 at 2.30 A resolution==
The line below this paragraph, containing "STRUCTURE_3d7q", creates the "Structure Box" on the page.
<StructureSection load='3d7q' size='340' side='right'caption='[[3d7q]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[3d7q]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Nostoc_punctiforme_PCC_73102 Nostoc punctiforme PCC 73102]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3D7Q OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3D7Q FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.3&#8491;</td></tr>
-->
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
{{STRUCTURE_3d7q|  PDB=3d7q  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3d7q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3d7q OCA], [https://pdbe.org/3d7q PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3d7q RCSB], [https://www.ebi.ac.uk/pdbsum/3d7q PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3d7q ProSAT], [https://www.topsan.org/Proteins/JCSG/3d7q TOPSAN]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/B2JAN5_NOSP7 B2JAN5_NOSP7]
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/d7/3d7q_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=3d7q ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Nitrogen fixation is an important process that converts atmospheric gaseous nitrogen, a form plants cannot utilize, into ammonia that can be easily assimilated. Large serine recombinase XisF (fdxN element site-specific recombinase), together with controlling factors XisH and XisI, plays a critical role in the expression of nitrogen fixation genes of certain Anabaena and Nostoc species of cyanobacteria. All three proteins are required to excise the fdxN DNA element from the chromosome in differentiating heterocysts for the expression of nitrogen fixation related genes. We report the first crystal structures of XisH and XisI proteins, both adopting novel protein folds. Based on the analysis of their sequences and structures, we propose that XisH and XisI proteins function as endonucleases and recombination directionality factors (RDFs), respectively. (c) Proteins 2014;. (c) 2014 Wiley Periodicals, Inc.


===Crystal structure of a xisi-like protein (npun_ar114) from nostoc punctiforme pcc 73102 at 2.30 A resolution===
Site-specific recombination of nitrogen-fixation genes in cyanobacteria by XisF-XisH-XisI complex: Structures and models.,Hwang WC, Golden JW, Pascual J, Xu D, Cheltsov A, Godzik A Proteins. 2014 Sep 1. doi: 10.1002/prot.24679. PMID:25179344<ref>PMID:25179344</ref>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
==About this Structure==
</div>
[[3d7q]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Nostoc_punctiforme_pcc_73102 Nostoc punctiforme pcc 73102]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3D7Q OCA].
<div class="pdbe-citations 3d7q" style="background-color:#fffaf0;"></div>
[[Category: Nostoc punctiforme pcc 73102]]
== References ==
[[Category: JCSG, Joint Center for Structural Genomics.]]
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Nostoc punctiforme PCC 73102]]

Latest revision as of 01:42, 21 November 2024

Crystal structure of a xisi-like protein (npun_ar114) from nostoc punctiforme pcc 73102 at 2.30 A resolution

3d7q, resolution 2.30Å

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