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==Ras guanine nucleotide exchange factor SOS1 (Rem-cdc25) in complex with small molecule inhibitor compound 17==
==Ras guanine nucleotide exchange factor SOS1 (Rem-cdc25) in complex with small molecule inhibitor compound 17==
<StructureSection load='5ovf' size='340' side='right' caption='[[5ovf]], [[Resolution|resolution]] 2.01&Aring;' scene=''>
<StructureSection load='5ovf' size='340' side='right'caption='[[5ovf]], [[Resolution|resolution]] 2.01&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[5ovf]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5OVF OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5OVF FirstGlance]. <br>
<table><tr><td colspan='2'>[[5ovf]] 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=5OVF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5OVF FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=AWT:6,7-dimethoxy-2-methyl-~{N}-[(1~{R})-1-[3-(1~{H}-pyrazol-4-yl)phenyl]ethyl]quinazolin-4-amine'>AWT</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.01&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2ii0|2ii0]], [[5ovd|5ovd]], [[5ove|5ove]], [[5ovg|5ovg]], [[5ovh|5ovh]], [[5ovi|5ovi]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=AWT:6,7-dimethoxy-2-methyl-~{N}-[(1~{R})-1-[3-(1~{H}-pyrazol-4-yl)phenyl]ethyl]quinazolin-4-amine'>AWT</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">SOS1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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=5ovf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ovf OCA], [https://pdbe.org/5ovf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5ovf RCSB], [https://www.ebi.ac.uk/pdbsum/5ovf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5ovf ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5ovf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ovf OCA], [http://pdbe.org/5ovf PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5ovf RCSB], [http://www.ebi.ac.uk/pdbsum/5ovf PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5ovf ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
[[http://www.uniprot.org/uniprot/SOS1_HUMAN SOS1_HUMAN]] Defects in SOS1 are the cause of gingival fibromatosis 1 (GGF1) [MIM:[http://omim.org/entry/135300 135300]]; also known as GINGF1. Gingival fibromatosis is a rare overgrowth condition characterized by a benign, slowly progressive, nonhemorrhagic, fibrous enlargement of maxillary and mandibular keratinized gingiva. GGF1 is usually transmitted as an autosomal dominant trait, although sporadic cases are common.<ref>PMID:11868160</ref>  Defects in SOS1 are the cause of Noonan syndrome type 4 (NS4) [MIM:[http://omim.org/entry/610733 610733]]. NS4 is an autosomal dominant disorder characterized by dysmorphic facial features, short stature, hypertelorism, cardiac anomalies, deafness, motor delay, and a bleeding diathesis. It is a genetically heterogeneous and relatively common syndrome, with an estimated incidence of 1 in 1000-2500 live births. Rarely, NS4 is associated with juvenile myelomonocytic leukemia (JMML). SOS1 mutations engender a high prevalence of pulmonary valve disease; atrial septal defects are less common.<ref>PMID:17143285</ref> <ref>PMID:17143282</ref> <ref>PMID:19020799</ref> <ref>PMID:19438935</ref> <ref>PMID:20683980</ref> <ref>PMID:20673819</ref> <ref>PMID:19953625</ref> <ref>PMID:21387466</ref>
[https://www.uniprot.org/uniprot/SOS1_HUMAN SOS1_HUMAN] Defects in SOS1 are the cause of gingival fibromatosis 1 (GGF1) [MIM:[https://omim.org/entry/135300 135300]; also known as GINGF1. Gingival fibromatosis is a rare overgrowth condition characterized by a benign, slowly progressive, nonhemorrhagic, fibrous enlargement of maxillary and mandibular keratinized gingiva. GGF1 is usually transmitted as an autosomal dominant trait, although sporadic cases are common.<ref>PMID:11868160</ref>  Defects in SOS1 are the cause of Noonan syndrome type 4 (NS4) [MIM:[https://omim.org/entry/610733 610733]. NS4 is an autosomal dominant disorder characterized by dysmorphic facial features, short stature, hypertelorism, cardiac anomalies, deafness, motor delay, and a bleeding diathesis. It is a genetically heterogeneous and relatively common syndrome, with an estimated incidence of 1 in 1000-2500 live births. Rarely, NS4 is associated with juvenile myelomonocytic leukemia (JMML). SOS1 mutations engender a high prevalence of pulmonary valve disease; atrial septal defects are less common.<ref>PMID:17143285</ref> <ref>PMID:17143282</ref> <ref>PMID:19020799</ref> <ref>PMID:19438935</ref> <ref>PMID:20683980</ref> <ref>PMID:20673819</ref> <ref>PMID:19953625</ref> <ref>PMID:21387466</ref>  
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/SOS1_HUMAN SOS1_HUMAN]] Promotes the exchange of Ras-bound GDP by GTP.
[https://www.uniprot.org/uniprot/SOS1_HUMAN SOS1_HUMAN] Promotes the exchange of Ras-bound GDP by GTP.
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Since the late 1980s, mutations in the RAS genes have been recognized as major oncogenes with a high occurrence rate in human cancers. Such mutations reduce the ability of the small GTPase RAS to hydrolyze GTP, keeping this molecular switch in a constitutively active GTP-bound form that drives, unchecked, oncogenic downstream signaling. One strategy to reduce the levels of active RAS is to target guanine nucleotide exchange factors, which allow RAS to cycle from the inactive GDP-bound state to the active GTP-bound form. Here, we describe the identification of potent and cell-active small-molecule inhibitors which efficiently disrupt the interaction between KRAS and its exchange factor SOS1, a mode of action confirmed by a series of biophysical techniques. The binding sites, mode of action, and selectivity were elucidated using crystal structures of KRAS(G12C)-SOS1, SOS1, and SOS2. By preventing formation of the KRAS-SOS1 complex, these inhibitors block reloading of KRAS with GTP, leading to antiproliferative activity. The final compound 23 (BAY-293) selectively inhibits the KRAS-SOS1 interaction with an IC50 of 21 nM and is a valuable chemical probe for future investigations.


Discovery of potent SOS1 inhibitors that block RAS activation via disruption of the RAS-SOS1 interaction.,Hillig RC, Sautier B, Schroeder J, Moosmayer D, Hilpmann A, Stegmann CM, Werbeck ND, Briem H, Boemer U, Weiske J, Badock V, Mastouri J, Petersen K, Siemeister G, Kahmann JD, Wegener D, Bohnke N, Eis K, Graham K, Wortmann L, von Nussbaum F, Bader B Proc Natl Acad Sci U S A. 2019 Feb 12;116(7):2551-2560. doi:, 10.1073/pnas.1812963116. Epub 2019 Jan 25. PMID:30683722<ref>PMID:30683722</ref>
==See Also==
 
*[[Son of sevenless 3D structures|Son of sevenless 3D structures]]
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 5ovf" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Bader, B]]
[[Category: Large Structures]]
[[Category: Badock, V]]
[[Category: Bader B]]
[[Category: Boemer, U]]
[[Category: Badock V]]
[[Category: Bohnke, N]]
[[Category: Boemer U]]
[[Category: Briem, H]]
[[Category: Bohnke N]]
[[Category: Eis, K]]
[[Category: Briem H]]
[[Category: Graham, K]]
[[Category: Eis K]]
[[Category: Hillig, R C]]
[[Category: Graham K]]
[[Category: Hilpmann, A]]
[[Category: Hillig RC]]
[[Category: Kahmann, J]]
[[Category: Hilpmann A]]
[[Category: Moosmayer, D]]
[[Category: Kahmann J]]
[[Category: Nussbaum, F von]]
[[Category: Moosmayer D]]
[[Category: Petersen, K]]
[[Category: Petersen K]]
[[Category: Sautier, B]]
[[Category: Sautier B]]
[[Category: Schroeder, J]]
[[Category: Schroeder J]]
[[Category: Stegmann, C M]]
[[Category: Stegmann CM]]
[[Category: Wegener, D]]
[[Category: Wegener D]]
[[Category: Weiske, J]]
[[Category: Weiske J]]
[[Category: Wortmann, L]]
[[Category: Wortmann L]]
[[Category: Gef]]
[[Category: Von Nussbaum F]]
[[Category: Guanine exchange factor]]
[[Category: Inhibitor]]
[[Category: Signaling protein]]
[[Category: Sos1]]

Latest revision as of 10:27, 1 May 2024

Ras guanine nucleotide exchange factor SOS1 (Rem-cdc25) in complex with small molecule inhibitor compound 17Ras guanine nucleotide exchange factor SOS1 (Rem-cdc25) in complex with small molecule inhibitor compound 17

Structural highlights

5ovf is a 1 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:X-ray diffraction, Resolution 2.01Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Disease

SOS1_HUMAN Defects in SOS1 are the cause of gingival fibromatosis 1 (GGF1) [MIM:135300; also known as GINGF1. Gingival fibromatosis is a rare overgrowth condition characterized by a benign, slowly progressive, nonhemorrhagic, fibrous enlargement of maxillary and mandibular keratinized gingiva. GGF1 is usually transmitted as an autosomal dominant trait, although sporadic cases are common.[1] Defects in SOS1 are the cause of Noonan syndrome type 4 (NS4) [MIM:610733. NS4 is an autosomal dominant disorder characterized by dysmorphic facial features, short stature, hypertelorism, cardiac anomalies, deafness, motor delay, and a bleeding diathesis. It is a genetically heterogeneous and relatively common syndrome, with an estimated incidence of 1 in 1000-2500 live births. Rarely, NS4 is associated with juvenile myelomonocytic leukemia (JMML). SOS1 mutations engender a high prevalence of pulmonary valve disease; atrial septal defects are less common.[2] [3] [4] [5] [6] [7] [8] [9]

Function

SOS1_HUMAN Promotes the exchange of Ras-bound GDP by GTP.

See Also

References

  1. ↑ Hart TC, Zhang Y, Gorry MC, Hart PS, Cooper M, Marazita ML, Marks JM, Cortelli JR, Pallos D. A mutation in the SOS1 gene causes hereditary gingival fibromatosis type 1. Am J Hum Genet. 2002 Apr;70(4):943-54. Epub 2002 Feb 26. PMID:11868160 doi:S0002-9297(07)60301-2
  2. ↑ Roberts AE, Araki T, Swanson KD, Montgomery KT, Schiripo TA, Joshi VA, Li L, Yassin Y, Tamburino AM, Neel BG, Kucherlapati RS. Germline gain-of-function mutations in SOS1 cause Noonan syndrome. Nat Genet. 2007 Jan;39(1):70-4. Epub 2006 Dec 3. PMID:17143285 doi:ng1926
  3. ↑ Tartaglia M, Pennacchio LA, Zhao C, Yadav KK, Fodale V, Sarkozy A, Pandit B, Oishi K, Martinelli S, Schackwitz W, Ustaszewska A, Martin J, Bristow J, Carta C, Lepri F, Neri C, Vasta I, Gibson K, Curry CJ, Siguero JP, Digilio MC, Zampino G, Dallapiccola B, Bar-Sagi D, Gelb BD. Gain-of-function SOS1 mutations cause a distinctive form of Noonan syndrome. Nat Genet. 2007 Jan;39(1):75-9. Epub 2006 Dec 13. PMID:17143282 doi:10.1038/ng1939
  4. ↑ Ko JM, Kim JM, Kim GH, Yoo HW. PTPN11, SOS1, KRAS, and RAF1 gene analysis, and genotype-phenotype correlation in Korean patients with Noonan syndrome. J Hum Genet. 2008;53(11-12):999-1006. doi: 10.1007/s10038-008-0343-6. Epub 2008, Nov 20. PMID:19020799 doi:10.1007/s10038-008-0343-6
  5. ↑ Hanna N, Parfait B, Talaat IM, Vidaud M, Elsedfy HH. SOS1: a new player in the Noonan-like/multiple giant cell lesion syndrome. Clin Genet. 2009 Jun;75(6):568-71. doi: 10.1111/j.1399-0004.2009.01149.x. Epub, 2009 May 5. PMID:19438935 doi:10.1111/j.1399-0004.2009.01149.x
  6. ↑ Longoni M, Moncini S, Cisternino M, Morella IM, Ferraiuolo S, Russo S, Mannarino S, Brazzelli V, Coi P, Zippel R, Venturin M, Riva P. Noonan syndrome associated with both a new Jnk-activating familial SOS1 and a de novo RAF1 mutations. Am J Med Genet A. 2010 Sep;152A(9):2176-84. doi: 10.1002/ajmg.a.33564. PMID:20683980 doi:10.1002/ajmg.a.33564
  7. ↑ Fabretto A, Kutsche K, Harmsen MB, Demarini S, Gasparini P, Fertz MC, Zenker M. Two cases of Noonan syndrome with severe respiratory and gastroenteral involvement and the SOS1 mutation F623I. Eur J Med Genet. 2010 Sep-Oct;53(5):322-4. doi: 10.1016/j.ejmg.2010.07.011. Epub , 2010 Jul 29. PMID:20673819 doi:10.1016/j.ejmg.2010.07.011
  8. ↑ Denayer E, Devriendt K, de Ravel T, Van Buggenhout G, Smeets E, Francois I, Sznajer Y, Craen M, Leventopoulos G, Mutesa L, Vandecasseye W, Massa G, Kayserili H, Sciot R, Fryns JP, Legius E. Tumor spectrum in children with Noonan syndrome and SOS1 or RAF1 mutations. Genes Chromosomes Cancer. 2010 Mar;49(3):242-52. doi: 10.1002/gcc.20735. PMID:19953625 doi:10.1002/gcc.20735
  9. ↑ Lepri F, De Luca A, Stella L, Rossi C, Baldassarre G, Pantaleoni F, Cordeddu V, Williams BJ, Dentici ML, Caputo V, Venanzi S, Bonaguro M, Kavamura I, Faienza MF, Pilotta A, Stanzial F, Faravelli F, Gabrielli O, Marino B, Neri G, Silengo MC, Ferrero GB, Torrrente I, Selicorni A, Mazzanti L, Digilio MC, Zampino G, Dallapiccola B, Gelb BD, Tartaglia M. SOS1 mutations in Noonan syndrome: molecular spectrum, structural insights on pathogenic effects, and genotype-phenotype correlations. Hum Mutat. 2011 Jul;32(7):760-72. doi: 10.1002/humu.21492. Epub 2011 Apr 28. PMID:21387466 doi:10.1002/humu.21492

5ovf, resolution 2.01Å

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