7cqk

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==Cryo-EM structure of the substrate-bound SPT-ORMDL3 complex==
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<StructureSection load='7cqk' size='340' side='right'caption='[[7cqk]]' scene=''>
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<StructureSection load='7cqk' size='340' side='right'caption='[[7cqk]], [[Resolution|resolution]] 3.30&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id= OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol= FirstGlance]. <br>
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<table><tr><td colspan='2'>[[7cqk]] is a 5 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=7CQK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7CQK FirstGlance]. <br>
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</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=7cqk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7cqk OCA], [https://pdbe.org/7cqk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7cqk RCSB], [https://www.ebi.ac.uk/pdbsum/7cqk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7cqk ProSAT]</span></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.3&#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=GE0:[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-4-oxidanyl-3-phosphonooxy-oxolan-2-yl]methoxy-oxidanyl-phosphoryl]+[(3R)-2,2-dimethyl-3-oxidanyl-4-oxidanylidene-4-[[3-oxidanylidene-3-[2-(2-oxidanylideneheptadecylsulfanyl)ethylamino]propyl]amino]butyl]+hydrogen+phosphate'>GE0</scene>, <scene name='pdbligand=PLS:[3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHYL]-SERINE'>PLS</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=7cqk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7cqk OCA], [https://pdbe.org/7cqk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7cqk RCSB], [https://www.ebi.ac.uk/pdbsum/7cqk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7cqk ProSAT]</span></td></tr>
</table>
</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/SPTC1_HUMAN SPTC1_HUMAN] Hereditary sensory and autonomic neuropathy type 1;Juvenile amyotrophic lateral sclerosis. The disease is caused by variants affecting the gene represented in this entry. SPTLC1 variants at Ser-331 are responsible for severe hereditary motor and sensory neuropathy (HMSN) forms, whose core features are severe, diffuse muscle wasting and hypotonia, motor and sensory disturbances, foot ulcers, amputations and/or burns, joint hypermobility, cataracts and considerable growth retardation.<ref>PMID:23454272</ref>
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== Function ==
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[https://www.uniprot.org/uniprot/SPTC1_HUMAN SPTC1_HUMAN] Serine palmitoyltransferase (SPT) (PubMed:19416851). The heterodimer formed with SPTLC2 or SPTLC3 constitutes the catalytic core (PubMed:19416851). The composition of the serine palmitoyltransferase (SPT) complex determines the substrate preference (PubMed:19416851). The SPTLC1-SPTLC2-SPTSSA complex shows a strong preference for C16-CoA substrate, while the SPTLC1-SPTLC3-SPTSSA isozyme uses both C14-CoA and C16-CoA as substrates, with a slight preference for C14-CoA (PubMed:19416851). The SPTLC1-SPTLC2-SPTSSB complex shows a strong preference for C18-CoA substrate, while the SPTLC1-SPTLC3-SPTSSB isozyme displays an ability to use a broader range of acyl-CoAs, without apparent preference (PubMed:19416851). Required for adipocyte cell viability and metabolic homeostasis (By similarity).[UniProtKB:O35704]<ref>PMID:19416851</ref>
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==See Also==
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*[[Serine palmitoyltransferase 3D structures|Serine palmitoyltransferase 3D structures]]
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== References ==
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<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Z-disk]]
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[[Category: Gong X]]
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[[Category: Li SS]]
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[[Category: Wang L]]
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[[Category: Xie T]]

Revision as of 10:51, 27 March 2024

Cryo-EM structure of the substrate-bound SPT-ORMDL3 complex

PDB ID 7cqk

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