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5cqc

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Current revision (12:21, 6 March 2024) (edit) (undo)
 
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'''Unreleased structure'''
 
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The entry 5cqc is ON HOLD until Paper Publication
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==Crystal structure of the legionella pneumophila effector protein RavZ==
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<StructureSection load='5cqc' size='340' side='right'caption='[[5cqc]], [[Resolution|resolution]] 2.98&Aring;' scene=''>
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Authors: Horenkamp, F.A., Reinisch, K.M.
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== Structural highlights ==
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<table><tr><td colspan='2'>[[5cqc]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Legionella_pneumophila Legionella pneumophila]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5CQC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5CQC FirstGlance]. <br>
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Description:
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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]] 2.985&#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=BA:BARIUM+ION'>BA</scene></td></tr>
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[[Category: Reinisch, K.M]]
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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=5cqc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5cqc OCA], [https://pdbe.org/5cqc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5cqc RCSB], [https://www.ebi.ac.uk/pdbsum/5cqc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5cqc ProSAT]</span></td></tr>
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[[Category: Horenkamp, F.A]]
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RAVZ_LEGPH RAVZ_LEGPH] Cysteine protease effector that inhibits host cell autophagy by targeting lipid-conjugated ATG8 family proteins on pre-autophagosomal structures (PubMed:23112293, PubMed:29458288, PubMed:32686895, PubMed:31722778, PubMed:31719622, PubMed:33298241, PubMed:26343456, PubMed:28395732). Specifically hydrolyzes the amide bond between the C-terminal glycine residue and an adjacent aromatic residue in ATG8 proteins conjugated to phosphatidylethanolamine (PE), producing an ATG8 protein that cannot be reconjugated by host ATG7 and ATG3 (PubMed:23112293, PubMed:29458288, PubMed:32686895, PubMed:26343456, PubMed:28395732). Mechanistically, Ravz interacts with ATG8 proteins conjugated to PE via its LIR motifs, extracts them from the membrane of autophagosomes and integrates the PE part into its own lipid-binding site (PubMed:28395732). It then removes the lipid component of the ATG8 protein (PubMed:28395732). Also able to mediate delipidation of ATG8 proteins conjugated to phosphatidylserine (PS) during non-canonical autophagy (PubMed:33909989). Inhibits host ubiquitin recruitment to bacteria-containing vacuoles, suggesting that it is able to mediate delipidation of other proteins in addition to ATG8 proteins (PubMed:28971069). It is however not involved in the exclusion of autophagy adapters from bacteria-containing vacuoles decorated with ubiquitin (PubMed:32482642).<ref>PMID:23112293</ref> <ref>PMID:26343456</ref> <ref>PMID:28395732</ref> <ref>PMID:28971069</ref> <ref>PMID:29458288</ref> <ref>PMID:31719622</ref> <ref>PMID:31722778</ref> <ref>PMID:32482642</ref> <ref>PMID:32686895</ref> <ref>PMID:33298241</ref> <ref>PMID:33909989</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: Large Structures]]
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[[Category: Legionella pneumophila]]
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[[Category: Horenkamp FA]]
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[[Category: Reinisch KM]]

Current revision

Crystal structure of the legionella pneumophila effector protein RavZ

PDB ID 5cqc

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OCA

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