1lka: Difference between revisions

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{{Seed}}
[[Image:1lka.png|left|200px]]


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==Porcine Pancreatic Elastase/Ca-Complex==
The line below this paragraph, containing "STRUCTURE_1lka", creates the "Structure Box" on the page.
<StructureSection load='1lka' size='340' side='right'caption='[[1lka]], [[Resolution|resolution]] 1.70&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'>[[1lka]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LKA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1LKA 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]] 1.7&#8491;</td></tr>
-->
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene></td></tr>
{{STRUCTURE_1lka|  PDB=1lka  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1lka FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1lka OCA], [https://pdbe.org/1lka PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1lka RCSB], [https://www.ebi.ac.uk/pdbsum/1lka PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1lka ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/CELA1_PIG CELA1_PIG] Acts upon elastin.
== 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/lk/1lka_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=1lka ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Porcine pancreatic elastase has been crystallized at slightly acidic pH under two similar but slightly different conditions. Diffraction data were collected at a wavelength of 1.5 A to a maximum resolution of 1.7 A. Both difference electron-density maps and anomalous difference electron-density maps suggest that in crystals grown from a sodium sulfate solution PPE binds Na(+) in its metal-binding site. In contrast, PPE binds Ca(2+) in crystals grown from a solution containing sodium citrate and calcium chloride. This observation is in contradiction to most PPE structures reported in the PDB. In addition to the metal-binding site, up to three other binding sites, which appear to be anion-binding sites, could be identified based on the observed anomalous intensity differences.


===Porcine Pancreatic Elastase/Ca-Complex===
Metal binding to porcine pancreatic elastase: calcium or not calcium.,Weiss MS, Panjikar S, Nowak E, Tucker PA Acta Crystallogr D Biol Crystallogr. 2002 Sep;58(Pt 9):1407-12. Epub 2002, Aug 23. PMID:12198296<ref>PMID:12198296</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1lka" style="background-color:#fffaf0;"></div>


<!--
==See Also==
The line below this paragraph, {{ABSTRACT_PUBMED_12198296}}, adds the Publication Abstract to the page
*[[Elastase 3D structures|Elastase 3D structures]]
(as it appears on PubMed at http://www.pubmed.gov), where 12198296 is the PubMed ID number.
== References ==
-->
<references/>
{{ABSTRACT_PUBMED_12198296}}
__TOC__
 
</StructureSection>
==About this Structure==
[[Category: Large Structures]]
1LKA is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LKA OCA].
 
==Reference==
Metal binding to porcine pancreatic elastase: calcium or not calcium., Weiss MS, Panjikar S, Nowak E, Tucker PA, Acta Crystallogr D Biol Crystallogr. 2002 Sep;58(Pt 9):1407-12. Epub 2002, Aug 23. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12198296 12198296]
[[Category: Pancreatic elastase]]
[[Category: Single protein]]
[[Category: Sus scrofa]]
[[Category: Sus scrofa]]
[[Category: Nowak, E.]]
[[Category: Nowak E]]
[[Category: Panjikar, S.]]
[[Category: Panjikar S]]
[[Category: Tucker, P A.]]
[[Category: Tucker PA]]
[[Category: Weiss, M S.]]
[[Category: Weiss MS]]
[[Category: Acetate binding]]
[[Category: Beta-barrel]]
[[Category: Calcium binding]]
[[Category: Chloride binding]]
[[Category: Chymotrypsin-fold]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jul  2 21:17:27 2008''

Latest revision as of 06:58, 30 October 2024

Porcine Pancreatic Elastase/Ca-Complex

1lka, resolution 1.70Å

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