6rsr

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TBK1 in complex with compound 2

Structural highlights

6rsr is a 1 chain structure with sequence from Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:KHT
Gene:TBK1, NAK (HUMAN)
Activity:Non-specific serine/threonine protein kinase, with EC number 2.7.11.1
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[TBK1_HUMAN] Serine/threonine kinase that plays an essential role in regulating inflammatory responses to foreign agents. Following activation of toll-like receptors by viral or bacterial components, associates with TRAF3 and TANK and phosphorylates interferon regulatory factors (IRFs) IRF3 and IRF7 as well as DDX3X. This activity allows subsequent homodimerization and nuclear translocation of the IRFs leading to transcriptional activation of pro-inflammatory and antiviral genes including IFN-alpha and IFN-beta. In order to establish such an antiviral state, TBK1 form several different complexes whose composition depends on the type of cell and cellular stimuli. Thus, several scaffolding molecules including FADD, TRADD, MAVS or SINTBAD can be recruited to the TBK1-containing-complexes. Under particular conditions, functions as a NF-kappa-B effector by phosphorylating NF-kappa-B inhibitor alpha/NFKBIA, IKBKB or RELA to translocate NF-Kappa-B to the nucleus. Restricts bacterial proliferation by phosphorylating the autophagy receptor OPTN/Optineurin on 'Ser-177', thus enhancing LC3 binding affinity and antibacterial autophagy. Attenuates retroviral budding by phosphorylating the endosomal sorting complex required for transport-I (ESCRT-I) subunit VPS37C. Phosphorylates and activates AKT1. Phosphorylates Borna disease virus (BDV) P protein.[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14]

Publication Abstract from PubMed

. The serine/threonine kinase TBK1 (TANK-binding kinase 1) and its homologue IKKepsilon are non-canonical members of the inhibitor of nuclear factor kappaB (IkappaB) kinase family. These kinases play important roles in multiple cellular pathways and, in particular, in inflammation. Herein, we describe our investigations on a family of benzimidazoles and the identification of the potent and highly selective TBK1/IKKepsilon inhibitor BAY-985. BAY-985 inhibits the cellular phosphorylation of interferon regulatory factor 3 (IRF3) and displays antiproliferative efficacy in the melanoma cell line SK-MEL-2, but showed only weak to moderate antitumor activity in the SK-MEL-2 human melanoma xenograft model.

Discovery of BAY-985 a highly selective TBK1/Ikkepsilon inhibitor.,Lefranc J, Schulze VK, Hillig RC, Briem H, Prinz F, Mengel A, Heinrich T, Balint J, Rengachari S, Irlbacher H, Stockigt D, Bomer U, Bader B, Gradl SN, Nising CF, von Nussbaum F, Mumberg D, Panne D, Wengner A J Med Chem. 2019 Dec 20. doi: 10.1021/acs.jmedchem.9b01460. PMID:31859507[15]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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Citations
3 reviews cite this structure
The role of TBK1 in cancer pathogenesis and anticancer immunity.
Runde et al. (2022)
2 more
6 other articles
No citations found

See Also

References

  1. ↑ Pomerantz JL, Baltimore D. NF-kappaB activation by a signaling complex containing TRAF2, TANK and TBK1, a novel IKK-related kinase. EMBO J. 1999 Dec 1;18(23):6694-704. PMID:10581243 doi:10.1093/emboj/18.23.6694
  2. ↑ Tojima Y, Fujimoto A, Delhase M, Chen Y, Hatakeyama S, Nakayama K, Kaneko Y, Nimura Y, Motoyama N, Ikeda K, Karin M, Nakanishi M. NAK is an IkappaB kinase-activating kinase. Nature. 2000 Apr 13;404(6779):778-82. PMID:10783893 doi:10.1038/35008109
  3. ↑ Kishore N, Huynh QK, Mathialagan S, Hall T, Rouw S, Creely D, Lange G, Caroll J, Reitz B, Donnelly A, Boddupalli H, Combs RG, Kretzmer K, Tripp CS. IKK-i and TBK-1 are enzymatically distinct from the homologous enzyme IKK-2: comparative analysis of recombinant human IKK-i, TBK-1, and IKK-2. J Biol Chem. 2002 Apr 19;277(16):13840-7. Epub 2002 Feb 11. PMID:11839743 doi:10.1074/jbc.M110474200
  4. ↑ Fitzgerald KA, McWhirter SM, Faia KL, Rowe DC, Latz E, Golenbock DT, Coyle AJ, Liao SM, Maniatis T. IKKepsilon and TBK1 are essential components of the IRF3 signaling pathway. Nat Immunol. 2003 May;4(5):491-6. PMID:12692549 doi:10.1038/ni921
  5. ↑ Sharma S, tenOever BR, Grandvaux N, Zhou GP, Lin R, Hiscott J. Triggering the interferon antiviral response through an IKK-related pathway. Science. 2003 May 16;300(5622):1148-51. Epub 2003 Apr 17. PMID:12702806 doi:10.1126/science.1081315
  6. ↑ Mori M, Yoneyama M, Ito T, Takahashi K, Inagaki F, Fujita T. Identification of Ser-386 of interferon regulatory factor 3 as critical target for inducible phosphorylation that determines activation. J Biol Chem. 2004 Mar 12;279(11):9698-702. Epub 2003 Dec 31. PMID:14703513 doi:10.1074/jbc.M310616200
  7. ↑ Kuai J, Wooters J, Hall JP, Rao VR, Nickbarg E, Li B, Chatterjee-Kishore M, Qiu Y, Lin LL. NAK is recruited to the TNFR1 complex in a TNFalpha-dependent manner and mediates the production of RANTES: identification of endogenous TNFR-interacting proteins by a proteomic approach. J Biol Chem. 2004 Dec 17;279(51):53266-71. Epub 2004 Oct 13. PMID:15485837 doi:M411037200
  8. ↑ Buss H, Dorrie A, Schmitz ML, Hoffmann E, Resch K, Kracht M. Constitutive and interleukin-1-inducible phosphorylation of p65 NF-{kappa}B at serine 536 is mediated by multiple protein kinases including I{kappa}B kinase (IKK)-{alpha}, IKK{beta}, IKK{epsilon}, TRAF family member-associated (TANK)-binding kinase 1 (TBK1), and an unknown kinase and couples p65 to TATA-binding protein-associated factor II31-mediated interleukin-8 transcription. J Biol Chem. 2004 Dec 31;279(53):55633-43. Epub 2004 Oct 15. PMID:15489227 doi:10.1074/jbc.M409825200
  9. ↑ tenOever BR, Sharma S, Zou W, Sun Q, Grandvaux N, Julkunen I, Hemmi H, Yamamoto M, Akira S, Yeh WC, Lin R, Hiscott J. Activation of TBK1 and IKKvarepsilon kinases by vesicular stomatitis virus infection and the role of viral ribonucleoprotein in the development of interferon antiviral immunity. J Virol. 2004 Oct;78(19):10636-49. PMID:15367631 doi:10.1128/JVI.78.19.10636-10649.2004
  10. ↑ Soulat D, Burckstummer T, Westermayer S, Goncalves A, Bauch A, Stefanovic A, Hantschel O, Bennett KL, Decker T, Superti-Furga G. The DEAD-box helicase DDX3X is a critical component of the TANK-binding kinase 1-dependent innate immune response. EMBO J. 2008 Aug 6;27(15):2135-46. doi: 10.1038/emboj.2008.126. Epub 2008 Jun 26. PMID:18583960 doi:10.1038/emboj.2008.126
  11. ↑ Da Q, Yang X, Xu Y, Gao G, Cheng G, Tang H. TANK-binding kinase 1 attenuates PTAP-dependent retroviral budding through targeting endosomal sorting complex required for transport-I. J Immunol. 2011 Mar 1;186(5):3023-30. doi: 10.4049/jimmunol.1000262. Epub 2011, Jan 26. PMID:21270402 doi:10.4049/jimmunol.1000262
  12. ↑ Xie X, Zhang D, Zhao B, Lu MK, You M, Condorelli G, Wang CY, Guan KL. IkappaB kinase epsilon and TANK-binding kinase 1 activate AKT by direct phosphorylation. Proc Natl Acad Sci U S A. 2011 Apr 19;108(16):6474-9. doi:, 10.1073/pnas.1016132108. Epub 2011 Apr 4. PMID:21464307 doi:10.1073/pnas.1016132108
  13. ↑ Wild P, Farhan H, McEwan DG, Wagner S, Rogov VV, Brady NR, Richter B, Korac J, Waidmann O, Choudhary C, Dotsch V, Bumann D, Dikic I. Phosphorylation of the autophagy receptor optineurin restricts Salmonella growth. Science. 2011 Jul 8;333(6039):228-33. doi: 10.1126/science.1205405. Epub 2011 May, 26. PMID:21617041 doi:10.1126/science.1205405
  14. ↑ Clark K, Peggie M, Plater L, Sorcek RJ, Young ER, Madwed JB, Hough J, McIver EG, Cohen P. Novel cross-talk within the IKK family controls innate immunity. Biochem J. 2011 Feb 15;434(1):93-104. doi: 10.1042/BJ20101701. PMID:21138416 doi:10.1042/BJ20101701
  15. ↑ Lefranc J, Schulze VK, Hillig RC, Briem H, Prinz F, Mengel A, Heinrich T, Balint J, Rengachari S, Irlbacher H, Stockigt D, Bomer U, Bader B, Gradl SN, Nising CF, von Nussbaum F, Mumberg D, Panne D, Wengner A. Discovery of BAY-985 a highly selective TBK1/Ikkepsilon inhibitor. J Med Chem. 2019 Dec 20. doi: 10.1021/acs.jmedchem.9b01460. PMID:31859507 doi:http://dx.doi.org/10.1021/acs.jmedchem.9b01460

Contents


PDB ID 6rsr

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