8ik3: Difference between revisions

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[8ik3]] is a 8 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=8IK3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8IK3 FirstGlance]. <br>
<table><tr><td colspan='2'>[[8ik3]] is a 8 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=8IK3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8IK3 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=1SY:CGAMP'>1SY</scene></td></tr>
</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>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=1SY:CGAMP'>1SY</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=8ik3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8ik3 OCA], [https://pdbe.org/8ik3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8ik3 RCSB], [https://www.ebi.ac.uk/pdbsum/8ik3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8ik3 ProSAT]</span></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=8ik3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8ik3 OCA], [https://pdbe.org/8ik3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8ik3 RCSB], [https://www.ebi.ac.uk/pdbsum/8ik3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8ik3 ProSAT]</span></td></tr>
</table>
</table>

Latest revision as of 11:02, 1 May 2024

Structure of Stimulator of interferon genes/ligand complexStructure of Stimulator of interferon genes/ligand complex

Structural highlights

8ik3 is a 8 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:Electron Microscopy, Resolution 3.3Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

TSI3_PSEAE Immunity protein that plays a role in preventing early activation of toxin Tse3. Occupies Tse3 substrate binding site and prevents the substrate from entering.[1] [2] STING_HUMAN Facilitator of innate immune signaling that acts as a sensor of cytosolic DNA from bacteria and viruses and promotes the production of type I interferon (IFN-alpha and IFN-beta). Innate immune response is triggered in response to non-CpG double-stranded DNA from viruses and bacteria delivered to the cytoplasm. Acts by recognizing and binding cyclic di-GMP (c-di-GMP), a second messenger produced by bacteria, and cyclic GMP-AMP (cGAMP), a messenger produced in response to DNA virus in the cytosol: upon binding of c-di-GMP or cGAMP, autoinhibition is alleviated and TMEM173/STING is able to activate both NF-kappa-B and IRF3 transcription pathways to induce expression of type I interferon and exert a potent anti-viral state. May be involved in translocon function, the translocon possibly being able to influence the induction of type I interferons. May be involved in transduction of apoptotic signals via its association with the major histocompatibility complex class II (MHC-II). Mediates death signaling via activation of the extracellular signal-regulated kinase (ERK) pathway.[3] [4] [5] [6] [7] [8] [9]

References

  1. ↑ Li L, Zhang W, Liu Q, Gao Y, Gao Y, Wang Y, Wang DZ, Li Z, Wang T. Structural Insights on the Bacteriolytic and Self-protection Mechanism of Muramidase Effector Tse3 in Pseudomonas aeruginosa. J Biol Chem. 2013 Oct 18;288(42):30607-13. doi: 10.1074/jbc.C113.506097. Epub, 2013 Sep 11. PMID:24025333 doi:http://dx.doi.org/10.1074/jbc.C113.506097
  2. ↑ Lu D, Shang G, Zhang H, Yu Q, Cong X, Yuan J, He F, Zhu C, Zhao Y, Yin K, Chen Y, Hu J, Zhang X, Yuan Z, Xu S, Hu W, Cang H, Gu L. Structural insights into the T6SS effector protein Tse3 and the Tse3-Tsi3 complex from Pseudomonas aeruginosa reveal a calcium-dependent membrane-binding mechanism. Mol Microbiol. 2014 Apr 14. doi: 10.1111/mmi.12616. PMID:24724564 doi:http://dx.doi.org/10.1111/mmi.12616
  3. ↑ Zhong B, Yang Y, Li S, Wang YY, Li Y, Diao F, Lei C, He X, Zhang L, Tien P, Shu HB. The adaptor protein MITA links virus-sensing receptors to IRF3 transcription factor activation. Immunity. 2008 Oct 17;29(4):538-50. doi: 10.1016/j.immuni.2008.09.003. Epub 2008 , Sep 25. PMID:18818105 doi:10.1016/j.immuni.2008.09.003
  4. ↑ Ishikawa H, Barber GN. STING is an endoplasmic reticulum adaptor that facilitates innate immune signalling. Nature. 2008 Oct 2;455(7213):674-8. doi: 10.1038/nature07317. Epub 2008 Aug 24. PMID:18724357 doi:10.1038/nature07317
  5. ↑ Ishikawa H, Ma Z, Barber GN. STING regulates intracellular DNA-mediated, type I interferon-dependent innate immunity. Nature. 2009 Oct 8;461(7265):788-92. doi: 10.1038/nature08476. Epub 2009 Sep 23. PMID:19776740 doi:10.1038/nature08476
  6. ↑ Sun W, Li Y, Chen L, Chen H, You F, Zhou X, Zhou Y, Zhai Z, Chen D, Jiang Z. ERIS, an endoplasmic reticulum IFN stimulator, activates innate immune signaling through dimerization. Proc Natl Acad Sci U S A. 2009 May 26;106(21):8653-8. doi:, 10.1073/pnas.0900850106. Epub 2009 May 11. PMID:19433799 doi:10.1073/pnas.0900850106
  7. ↑ Tsuchida T, Zou J, Saitoh T, Kumar H, Abe T, Matsuura Y, Kawai T, Akira S. The ubiquitin ligase TRIM56 regulates innate immune responses to intracellular double-stranded DNA. Immunity. 2010 Nov 24;33(5):765-76. doi: 10.1016/j.immuni.2010.10.013. Epub 2010 , Nov 11. PMID:21074459 doi:10.1016/j.immuni.2010.10.013
  8. ↑ Burdette DL, Monroe KM, Sotelo-Troha K, Iwig JS, Eckert B, Hyodo M, Hayakawa Y, Vance RE. STING is a direct innate immune sensor of cyclic di-GMP. Nature. 2011 Sep 25;478(7370):515-8. doi: 10.1038/nature10429. PMID:21947006 doi:10.1038/nature10429
  9. ↑ Wu J, Sun L, Chen X, Du F, Shi H, Chen C, Chen ZJ. Cyclic GMP-AMP is an endogenous second messenger in innate immune signaling by cytosolic DNA. Science. 2013 Feb 15;339(6121):826-30. doi: 10.1126/science.1229963. Epub 2012, Dec 20. PMID:23258412 doi:10.1126/science.1229963

8ik3, resolution 3.30Å

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