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[[Image:1rlw.gif|left|200px]]<br />
<applet load="1rlw" size="450" color="white" frame="true" align="right" spinBox="true"
caption="1rlw, resolution 2.4&Aring;" />
'''CALCIUM-PHOSPHOLIPID BINDING DOMAIN FROM CYTOSOLIC PHOSPHOLIPASE A2'''<br />


==Overview==
==CALCIUM-PHOSPHOLIPID BINDING DOMAIN FROM CYTOSOLIC PHOSPHOLIPASE A2==
Cytosolic phospholipase A2 (cPLA2) is a calcium-sensitive 85-kDa enzyme, that hydrolyzes arachidonic acid-containing membrane phospholipids to, initiate the biosynthesis of eicosanoids and platelet-activating factor, potent inflammatory mediators. The calcium-dependent activation of the, enzyme is mediated by an N-terminal C2 domain, which is responsible for, calcium-dependent translocation of the enzyme to membranes and that, enables the intact enzyme to hydrolyze membrane-resident substrates. The, 2.4-A x-ray crystal structure of this C2 domain was solved by multiple, isomorphous replacement and reveals a beta-sandwich with the same topology, as the C2 domain from phosphoinositide-specific phospholipase C delta 1., Two clusters of exposed hydrophobic residues surround two adjacent ... [[http://ispc.weizmann.ac.il/pmbin/getpm?9430701 (full description)]]
<StructureSection load='1rlw' size='340' side='right'caption='[[1rlw]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1rlw]] is a 1 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=1RLW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RLW 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]] 2.4&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CD:CADMIUM+ION'>CD</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=1rlw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rlw OCA], [https://pdbe.org/1rlw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rlw RCSB], [https://www.ebi.ac.uk/pdbsum/1rlw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rlw ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/PA24A_HUMAN PA24A_HUMAN] Selectively hydrolyzes arachidonyl phospholipids in the sn-2 position releasing arachidonic acid. Together with its lysophospholipid activity, it is implicated in the initiation of the inflammatory response.
== 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/rl/1rlw_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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=1rlw ConSurf].
<div style="clear:both"></div>


==About this Structure==
==See Also==
1RLW is a [[http://en.wikipedia.org/wiki/Single_protein Single protein]] structure of sequence from [[http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]] with CD and CA as [[http://en.wikipedia.org/wiki/ligands ligands]]. Active as [[http://en.wikipedia.org/wiki/Hydrolase Hydrolase]], with EC number [[http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.1.4 3.1.1.4]]. Structure known Active Sites: CA1, CA2, CR1, CR2 and CR3. Full crystallographic information is available from [[http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1RLW OCA]].
*[[Phospholipase A2 3D structures|Phospholipase A2 3D structures]]
 
__TOC__
==Reference==
</StructureSection>
Crystal structure of a calcium-phospholipid binding domain from cytosolic phospholipase A2., Perisic O, Fong S, Lynch DE, Bycroft M, Williams RL, J Biol Chem. 1998 Jan 16;273(3):1596-604. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=9430701 9430701]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Single protein]]
[[Category: Large Structures]]
[[Category: Perisic, O.]]
[[Category: Perisic O]]
[[Category: Williams, R.L.]]
[[Category: Williams RL]]
[[Category: CA]]
[[Category: CD]]
[[Category: c2 domain]]
[[Category: calb domain]]
[[Category: hydrolase]]
 
''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Tue Oct 30 08:44:43 2007''

Latest revision as of 11:24, 14 February 2024

CALCIUM-PHOSPHOLIPID BINDING DOMAIN FROM CYTOSOLIC PHOSPHOLIPASE A2CALCIUM-PHOSPHOLIPID BINDING DOMAIN FROM CYTOSOLIC PHOSPHOLIPASE A2

Structural highlights

1rlw is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.4Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

PA24A_HUMAN Selectively hydrolyzes arachidonyl phospholipids in the sn-2 position releasing arachidonic acid. Together with its lysophospholipid activity, it is implicated in the initiation of the inflammatory response.

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

1rlw, resolution 2.40Å

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