7xtk

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Current revision (07:29, 3 July 2024) (edit) (undo)
 
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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[7xtk]] 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=7XTK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7XTK FirstGlance]. <br>
<table><tr><td colspan='2'>[[7xtk]] 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=7XTK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7XTK 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=7xtk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7xtk OCA], [https://pdbe.org/7xtk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7xtk RCSB], [https://www.ebi.ac.uk/pdbsum/7xtk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7xtk 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]] 2.89&#8491;</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=7xtk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7xtk OCA], [https://pdbe.org/7xtk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7xtk RCSB], [https://www.ebi.ac.uk/pdbsum/7xtk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7xtk ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
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[https://www.uniprot.org/uniprot/S19A1_HUMAN S19A1_HUMAN] Methotrexate dose selection. The disease is caused by variants affecting the gene represented in this entry.
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[https://www.uniprot.org/uniprot/S19A1_HUMAN S19A1_HUMAN] The disease is caused by variants affecting the gene represented in this entry. The disease is caused by variants affecting the gene represented in this entry.
== Function ==
== Function ==
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[https://www.uniprot.org/uniprot/S19A1_HUMAN S19A1_HUMAN] Antiporter that mediates the import of reduced folates or a subset of cyclic dinucleotides, driven by the export of organic anions (PubMed:7826387, PubMed:9041240, PubMed:10787414, PubMed:15337749, PubMed:16115875, PubMed:22554803, PubMed:31511694, PubMed:31126740, PubMed:32276275). Mechanistically, acts as a secondary active transporter, which exports intracellular organic anions down their concentration gradients to facilitate the uptake of its substrates (PubMed:22554803, PubMed:31511694, PubMed:31126740). Has high affinity for N5-methyltetrahydrofolate, the predominant circulating form of folate (PubMed:10787414, PubMed:14609557, PubMed:22554803). Also able to mediate the import of antifolate drug methotrexate (PubMed:7615551, PubMed:7641195, PubMed:9767079, PubMed:22554803). Also acts as an importer of immunoreactive cyclic dinucleotides, such as cyclic GMP-AMP (2'-3'-cGAMP), an immune messenger produced in response to DNA virus in the cytosol, and its linkage isomer 3'-3'-cGAMP, thus playing a role in triggering larger immune responses (PubMed:31511694, PubMed:31126740). 5-amino-4-imidazolecarboxamide riboside (AICAR), when phosphorylated to AICAR monophosphate, can serve as an organic anion for antiporter activity (PubMed:22554803).<ref>PMID:10787414</ref> <ref>PMID:14609557</ref> <ref>PMID:15337749</ref> <ref>PMID:16115875</ref> <ref>PMID:22554803</ref> <ref>PMID:31126740</ref> <ref>PMID:31511694</ref> <ref>PMID:32276275</ref> <ref>PMID:7615551</ref> <ref>PMID:7641195</ref> <ref>PMID:7826387</ref> <ref>PMID:9041240</ref> <ref>PMID:9767079</ref>
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[https://www.uniprot.org/uniprot/S19A1_HUMAN S19A1_HUMAN] Antiporter that mediates the import of reduced folates or a subset of cyclic dinucleotides, driven by the export of organic anions (PubMed:10787414, PubMed:15337749, PubMed:16115875, PubMed:22554803, PubMed:31126740, PubMed:31511694, PubMed:32276275, PubMed:7826387, PubMed:9041240). Mechanistically, acts as a secondary active transporter, which exports intracellular organic anions down their concentration gradients to facilitate the uptake of its substrates (PubMed:22554803, PubMed:31126740, PubMed:31511694). Has high affinity for N5-methyltetrahydrofolate, the predominant circulating form of folate (PubMed:10787414, PubMed:14609557, PubMed:22554803). Also able to mediate the import of antifolate drug methotrexate (PubMed:22554803, PubMed:7615551, PubMed:7641195, PubMed:9767079). Also acts as an importer of immunoreactive cyclic dinucleotides, such as cyclic GMP-AMP (2'-3'-cGAMP), an immune messenger produced in response to DNA virus in the cytosol, and its linkage isomer 3'-3'-cGAMP, thus playing a role in triggering larger immune responses (PubMed:31126740, PubMed:31511694, PubMed:36745868). 5-amino-4-imidazolecarboxamide riboside (AICAR), when phosphorylated to AICAR monophosphate, can serve as an organic anion for antiporter activity (PubMed:22554803).<ref>PMID:10787414</ref> <ref>PMID:14609557</ref> <ref>PMID:15337749</ref> <ref>PMID:16115875</ref> <ref>PMID:22554803</ref> <ref>PMID:31126740</ref> <ref>PMID:31511694</ref> <ref>PMID:32276275</ref> <ref>PMID:36745868</ref> <ref>PMID:7615551</ref> <ref>PMID:7641195</ref> <ref>PMID:7826387</ref> <ref>PMID:9041240</ref> <ref>PMID:9767079</ref>
== References ==
== References ==
<references/>
<references/>

Current revision

Cryo-EM structure of SLC19A1

PDB ID 7xtk

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