9oh4: Difference between revisions
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==Cryo-EM structure of cGAS tetramer in complex with BuDNA (bubble DNA)== | |||
<StructureSection load='9oh4' size='340' side='right'caption='[[9oh4]], [[Resolution|resolution]] 3.48Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[9oh4]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus] and [https://en.wikipedia.org/wiki/Synthetic_construct Synthetic construct]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=9OH4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9OH4 FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.48Å</td></tr> | |||
[[Category: | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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=9oh4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9oh4 OCA], [https://pdbe.org/9oh4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9oh4 RCSB], [https://www.ebi.ac.uk/pdbsum/9oh4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9oh4 ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/CGAS_MOUSE CGAS_MOUSE] Nucleotidyltransferase that catalyzes formation of cyclic GMP-AMP (cGAMP) from ATP and GTP and exhibits antiviral activity. Has antiviral activity by acting as a key cytosolic DNA sensor, the presence of DNA in the cytoplasm being a danger signal that triggers the immune responses. Binds cytosolic DNA directly, leading to activation and synthesis of cGAMP, a second messenger that binds to and activates TMEM173/STING, thereby triggering type-I interferon production. | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Large Structures]] | |||
[[Category: Mus musculus]] | |||
[[Category: Synthetic construct]] | |||
[[Category: Sohn J]] | |||
[[Category: Wu S]] | |||
Latest revision as of 03:40, 14 May 2026
Cryo-EM structure of cGAS tetramer in complex with BuDNA (bubble DNA)
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