6wa2: Difference between revisions
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==Crystal structure of EGFR(T790M/V948R) in complex with LN3753== | ==Crystal structure of EGFR(T790M/V948R) in complex with LN3753== | ||
<StructureSection load='6wa2' size='340' side='right'caption='[[6wa2]]' scene=''> | <StructureSection load='6wa2' size='340' side='right'caption='[[6wa2]], [[Resolution|resolution]] 2.40Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6WA2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6WA2 FirstGlance]. <br> | <table><tr><td colspan='2'>[[6wa2]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6WA2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6WA2 FirstGlance]. <br> | ||
</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=6wa2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6wa2 OCA], [https://pdbe.org/6wa2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6wa2 RCSB], [https://www.ebi.ac.uk/pdbsum/6wa2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6wa2 ProSAT]</span></td></tr> | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=TOV:N-(3-{5-[2-(acetylamino)pyridin-4-yl]-2-(methylsulfanyl)-1H-imidazol-4-yl}phenyl)-2-fluoro-5-hydroxybenzamide'>TOV</scene></td></tr> | ||
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">EGFR, ERBB, ERBB1, HER1 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr> | |||
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Receptor_protein-tyrosine_kinase Receptor protein-tyrosine kinase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.10.1 2.7.10.1] </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=6wa2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6wa2 OCA], [https://pdbe.org/6wa2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6wa2 RCSB], [https://www.ebi.ac.uk/pdbsum/6wa2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6wa2 ProSAT]</span></td></tr> | |||
</table> | </table> | ||
== Disease == | |||
[[https://www.uniprot.org/uniprot/EGFR_HUMAN EGFR_HUMAN]] Defects in EGFR are associated with lung cancer (LNCR) [MIM:[https://omim.org/entry/211980 211980]]. LNCR is a common malignancy affecting tissues of the lung. The most common form of lung cancer is non-small cell lung cancer (NSCLC) that can be divided into 3 major histologic subtypes: squamous cell carcinoma, adenocarcinoma, and large cell lung cancer. NSCLC is often diagnosed at an advanced stage and has a poor prognosis. | |||
== Function == | |||
[[https://www.uniprot.org/uniprot/EGFR_HUMAN EGFR_HUMAN]] Receptor tyrosine kinase binding ligands of the EGF family and activating several signaling cascades to convert extracellular cues into appropriate cellular responses. Known ligands include EGF, TGFA/TGF-alpha, amphiregulin, epigen/EPGN, BTC/betacellulin, epiregulin/EREG and HBEGF/heparin-binding EGF. Ligand binding triggers receptor homo- and/or heterodimerization and autophosphorylation on key cytoplasmic residues. The phosphorylated receptor recruits adapter proteins like GRB2 which in turn activates complex downstream signaling cascades. Activates at least 4 major downstream signaling cascades including the RAS-RAF-MEK-ERK, PI3 kinase-AKT, PLCgamma-PKC and STATs modules. May also activate the NF-kappa-B signaling cascade. Also directly phosphorylates other proteins like RGS16, activating its GTPase activity and probably coupling the EGF receptor signaling to the G protein-coupled receptor signaling. Also phosphorylates MUC1 and increases its interaction with SRC and CTNNB1/beta-catenin.<ref>PMID:7657591</ref> <ref>PMID:11602604</ref> <ref>PMID:12873986</ref> <ref>PMID:10805725</ref> <ref>PMID:11116146</ref> <ref>PMID:11483589</ref> <ref>PMID:17115032</ref> <ref>PMID:21258366</ref> <ref>PMID:12297050</ref> <ref>PMID:12620237</ref> <ref>PMID:15374980</ref> <ref>PMID:19560417</ref> <ref>PMID:20837704</ref> Isoform 2 may act as an antagonist of EGF action.<ref>PMID:7657591</ref> <ref>PMID:11602604</ref> <ref>PMID:12873986</ref> <ref>PMID:10805725</ref> <ref>PMID:11116146</ref> <ref>PMID:11483589</ref> <ref>PMID:17115032</ref> <ref>PMID:21258366</ref> <ref>PMID:12297050</ref> <ref>PMID:12620237</ref> <ref>PMID:15374980</ref> <ref>PMID:19560417</ref> <ref>PMID:20837704</ref> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Inhibitors targeting the epidermal growth factor receptor (EGFR) are an effective therapy for patients with non-small cell lung cancer harboring drug-sensitive activating mutations in the EGFR kinase domain. Drug resistance due to treatment-acquired mutations has motivated the development of successive generations of inhibitors that bind in the ATP site. The third-generation agent osimertinib is now a first-line treatment for this disease. Recently, allosteric inhibitors have been developed to overcome drug-resistant mutations that confer a resistance to osimertinib. Here, we present the structure-guided design and synthesis of a mutant-selective lead compound, which consists of a pyridinyl imidazole-fused benzylisoindolinedione scaffold that simultaneously occupies the orthosteric and allosteric sites. The compound potently inhibits enzymatic activity in L858R/T790M/C797S mutant EGFR (4.9 nM), with a significantly lower activity for wild-type EGFR (47 nM). Additionally, this compound achieves modest cetuximab-independent and mutant-selective cellular efficacies on the L858R (1.2 muM) and L858R/T790M (4.4 muM) variants. | |||
Design of a "Two-in-One" Mutant-Selective Epidermal Growth Factor Receptor Inhibitor That Spans the Orthosteric and Allosteric Sites.,Wittlinger F, Heppner DE, To C, Gunther M, Shin BH, Rana JK, Schmoker AM, Beyett TS, Berger LM, Berger BT, Bauer N, Vasta JD, Corona CR, Robers MB, Knapp S, Janne PA, Eck MJ, Laufer SA J Med Chem. 2021 Oct 20. doi: 10.1021/acs.jmedchem.1c00848. PMID:34668706<ref>PMID:34668706</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 6wa2" style="background-color:#fffaf0;"></div> | |||
==See Also== | |||
*[[Epidermal growth factor receptor 3D structures|Epidermal growth factor receptor 3D structures]] | |||
== References == | |||
<references/> | |||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: Human]] | |||
[[Category: Large Structures]] | [[Category: Large Structures]] | ||
[[Category: Eck | [[Category: Receptor protein-tyrosine kinase]] | ||
[[Category: Heppner | [[Category: Eck, M J]] | ||
[[Category: Heppner, D E]] | |||
[[Category: Cancer]] | |||
[[Category: Drug discovery]] | |||
[[Category: Transferase]] |
Revision as of 09:25, 1 December 2021
Crystal structure of EGFR(T790M/V948R) in complex with LN3753Crystal structure of EGFR(T790M/V948R) in complex with LN3753
Structural highlights
Disease[EGFR_HUMAN] Defects in EGFR are associated with lung cancer (LNCR) [MIM:211980]. LNCR is a common malignancy affecting tissues of the lung. The most common form of lung cancer is non-small cell lung cancer (NSCLC) that can be divided into 3 major histologic subtypes: squamous cell carcinoma, adenocarcinoma, and large cell lung cancer. NSCLC is often diagnosed at an advanced stage and has a poor prognosis. Function[EGFR_HUMAN] Receptor tyrosine kinase binding ligands of the EGF family and activating several signaling cascades to convert extracellular cues into appropriate cellular responses. Known ligands include EGF, TGFA/TGF-alpha, amphiregulin, epigen/EPGN, BTC/betacellulin, epiregulin/EREG and HBEGF/heparin-binding EGF. Ligand binding triggers receptor homo- and/or heterodimerization and autophosphorylation on key cytoplasmic residues. The phosphorylated receptor recruits adapter proteins like GRB2 which in turn activates complex downstream signaling cascades. Activates at least 4 major downstream signaling cascades including the RAS-RAF-MEK-ERK, PI3 kinase-AKT, PLCgamma-PKC and STATs modules. May also activate the NF-kappa-B signaling cascade. Also directly phosphorylates other proteins like RGS16, activating its GTPase activity and probably coupling the EGF receptor signaling to the G protein-coupled receptor signaling. Also phosphorylates MUC1 and increases its interaction with SRC and CTNNB1/beta-catenin.[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Isoform 2 may act as an antagonist of EGF action.[14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] Publication Abstract from PubMedInhibitors targeting the epidermal growth factor receptor (EGFR) are an effective therapy for patients with non-small cell lung cancer harboring drug-sensitive activating mutations in the EGFR kinase domain. Drug resistance due to treatment-acquired mutations has motivated the development of successive generations of inhibitors that bind in the ATP site. The third-generation agent osimertinib is now a first-line treatment for this disease. Recently, allosteric inhibitors have been developed to overcome drug-resistant mutations that confer a resistance to osimertinib. Here, we present the structure-guided design and synthesis of a mutant-selective lead compound, which consists of a pyridinyl imidazole-fused benzylisoindolinedione scaffold that simultaneously occupies the orthosteric and allosteric sites. The compound potently inhibits enzymatic activity in L858R/T790M/C797S mutant EGFR (4.9 nM), with a significantly lower activity for wild-type EGFR (47 nM). Additionally, this compound achieves modest cetuximab-independent and mutant-selective cellular efficacies on the L858R (1.2 muM) and L858R/T790M (4.4 muM) variants. Design of a "Two-in-One" Mutant-Selective Epidermal Growth Factor Receptor Inhibitor That Spans the Orthosteric and Allosteric Sites.,Wittlinger F, Heppner DE, To C, Gunther M, Shin BH, Rana JK, Schmoker AM, Beyett TS, Berger LM, Berger BT, Bauer N, Vasta JD, Corona CR, Robers MB, Knapp S, Janne PA, Eck MJ, Laufer SA J Med Chem. 2021 Oct 20. doi: 10.1021/acs.jmedchem.1c00848. PMID:34668706[27] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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