4k80

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'''Unreleased structure'''
 
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The entry 4k80 is ON HOLD until Paper Publication
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==Crystal structure of human ceramide-1-phosphate transfer protein (CPTP) in complex with 2:0 ceramide-1-phosphate (2:0-C1P)==
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<StructureSection load='4k80' size='340' side='right'caption='[[4k80]], [[Resolution|resolution]] 2.05&Aring;' scene=''>
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Authors: Simanshu, D.K., Brown, R.E., Patel, D.J.
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4k80]] 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=4K80 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4K80 FirstGlance]. <br>
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Description: Crystal structure of human ceramide-1-phosphate transfer protein (CPTP) in complex with 2:0 ceramide-1-phosphate (2:0-C1P)
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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]] 2.051&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=1PW:(2S,3R,4E)-2-(ACETYLAMINO)-3-HYDROXYOCTADEC-4-EN-1-YL+DIHYDROGEN+PHOSPHATE'>1PW</scene></td></tr>
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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=4k80 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4k80 OCA], [https://pdbe.org/4k80 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4k80 RCSB], [https://www.ebi.ac.uk/pdbsum/4k80 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4k80 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CPTP_HUMAN CPTP_HUMAN] Mediates the intracellular transfer of ceramide-1-phosphate (C1P) between organelle membranes and the cell membrane. Required for normal structure of the Golgi stacks. Can bind phosphoceramides with a variety of aliphatic chains, but has a preference for lipids with saturated C16:0 or monounsaturated C18:1 aliphatic chains, and is inefficient with phosphoceramides containing lignoceryl (C24:0). Plays a role in the regulation of the cellular levels of ceramide-1-phosphate, and thereby contributes to the regulation of phospholipase PLA2G4A activity and the release of arachidonic acid. Has no activity with galactosylceramide, lactosylceramide, sphingomyelin, phosphatidylcholine, phosphatidic acid and ceramide. C1P transfer is stimulated by phosphatidylserine in C1P source vesicles (PubMed:28011644). Regulates autophagy, inflammasome mediated IL1B and IL18 processing, and pyroptosis, but not apoptosis (PubMed:29164996).<ref>PMID:23863933</ref> <ref>PMID:28011644</ref> <ref>PMID:29164996</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: Brown RE]]
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[[Category: Patel DJ]]
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[[Category: Simanshu DK]]

Current revision

Crystal structure of human ceramide-1-phosphate transfer protein (CPTP) in complex with 2:0 ceramide-1-phosphate (2:0-C1P)

PDB ID 4k80

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