7zom

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(New page: '''Unreleased structure''' The entry 7zom is ON HOLD Authors: von Castelmur, E., Perrakis, A. Description: Crystal structure of N-terminal catalytic domain of human PLAAT3 [[Category: ...)
Current revision (06:23, 19 June 2024) (edit) (undo)
 
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'''Unreleased structure'''
 
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The entry 7zom is ON HOLD
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==Crystal structure of N-terminal catalytic domain of human PLAAT3==
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<StructureSection load='7zom' size='340' side='right'caption='[[7zom]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
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Authors: von Castelmur, E., Perrakis, A.
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== Structural highlights ==
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<table><tr><td colspan='2'>[[7zom]] 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=7ZOM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7ZOM FirstGlance]. <br>
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Description: Crystal structure of N-terminal catalytic domain of human PLAAT3
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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]] 1.601&#8491;</td></tr>
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[[Category: Unreleased Structures]]
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MPD:(4S)-2-METHYL-2,4-PENTANEDIOL'>MPD</scene></td></tr>
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[[Category: Perrakis, A]]
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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=7zom FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7zom OCA], [https://pdbe.org/7zom PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7zom RCSB], [https://www.ebi.ac.uk/pdbsum/7zom PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7zom ProSAT]</span></td></tr>
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[[Category: Von Castelmur, E]]
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PLAT3_HUMAN PLAT3_HUMAN] Exhibits both phospholipase A1/2 and acyltransferase activities (PubMed:19047760, PubMed:19615464, PubMed:22605381, PubMed:22825852, PubMed:26503625). Shows phospholipase A1 (PLA1) and A2 (PLA2) activity, catalyzing the calcium-independent release of fatty acids from the sn-1 or sn-2 position of glycerophospholipids (PubMed:19047760, PubMed:19615464, PubMed:22605381, PubMed:22825852, PubMed:22923616). For most substrates, PLA1 activity is much higher than PLA2 activity (PubMed:19615464). Shows O-acyltransferase activity,catalyzing the transfer of a fatty acyl group from glycerophospholipid to the hydroxyl group of lysophospholipid (PubMed:19615464). Shows N-acyltransferase activity, catalyzing the calcium-independent transfer of a fatty acyl group at the sn-1 position of phosphatidylcholine (PC) and other glycerophospholipids to the primary amine of phosphatidylethanolamine (PE), forming N-acylphosphatidylethanolamine (NAPE), which serves as precursor for N-acylethanolamines (NAEs) (PubMed:19047760, PubMed:19615464, PubMed:22605381, PubMed:22825852). Exhibits high N-acyltransferase activity and low phospholipase A1/2 activity (PubMed:22825852). Required for complete organelle rupture and degradation that occur during eye lens terminal differentiation, when fiber cells that compose the lens degrade all membrane-bound organelles in order to provide lens with transparency to allow the passage of light. Organelle membrane degradation is probably catalyzed by the phospholipase activity (By similarity).[UniProtKB:Q8R3U1]<ref>PMID:19047760</ref> <ref>PMID:19615464</ref> <ref>PMID:22605381</ref> <ref>PMID:22825852</ref> <ref>PMID:22923616</ref> <ref>PMID:26503625</ref> (Microbial infection) Acts as a host factor for picornaviruses: required during early infection to promote viral genome release into the cytoplasm (PubMed:28077878). May act as a cellular sensor of membrane damage at sites of virus entry, which relocalizes to sites of membrane rupture upon virus unfection (PubMed:28077878). Facilitates safe passage of the RNA away from LGALS8, enabling viral genome translation by host ribosome (PubMed:28077878). May also be involved in initiating pore formation, increasing pore size or in maintaining pores for genome delivery (PubMed:28077878). The lipid-modifying enzyme activity is required for this process (PubMed:28077878).<ref>PMID:28077878</ref>
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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: Homo sapiens]]
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[[Category: Large Structures]]
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[[Category: Perrakis A]]
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[[Category: Von Castelmur E]]

Current revision

Crystal structure of N-terminal catalytic domain of human PLAAT3

PDB ID 7zom

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