3ksy

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{{STRUCTURE_3ksy| PDB=3ksy | SCENE= }}
 
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===Crystal structure of the Histone domain, DH-PH unit, and catalytic unit of the Ras activator Son of Sevenless (SOS)===
 
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{{ABSTRACT_PUBMED_20133692}}
 
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==Disease==
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==Crystal structure of the Histone domain, DH-PH unit, and catalytic unit of the Ras activator Son of Sevenless (SOS)==
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[[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>
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<StructureSection load='3ksy' size='340' side='right'caption='[[3ksy]], [[Resolution|resolution]] 3.18&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3ksy]] 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=3KSY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3KSY FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.178&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3ksy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ksy OCA], [https://pdbe.org/3ksy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ksy RCSB], [https://www.ebi.ac.uk/pdbsum/3ksy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ksy ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[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>
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== Function ==
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[https://www.uniprot.org/uniprot/SOS1_HUMAN SOS1_HUMAN] Promotes the exchange of Ras-bound GDP by GTP.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ks/3ksy_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=3ksy ConSurf].
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<div style="clear:both"></div>
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==Function==
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==See Also==
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[[http://www.uniprot.org/uniprot/SOS1_HUMAN SOS1_HUMAN]] Promotes the exchange of Ras-bound GDP by GTP.
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*[[Son of sevenless 3D structures|Son of sevenless 3D structures]]
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== References ==
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==About this Structure==
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<references/>
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[[3ksy]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KSY OCA].
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__TOC__
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:020133692</ref><references group="xtra"/><references/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Gureasko, J.]]
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[[Category: Large Structures]]
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[[Category: Kuchment, O.]]
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[[Category: Gureasko J]]
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[[Category: Kuriyan, J.]]
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[[Category: Kuchment O]]
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[[Category: Disease mutation]]
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[[Category: Kuriyan J]]
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[[Category: Guanine-nucleotide releasing factor]]
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[[Category: Ra]]
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[[Category: Ras activator]]
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[[Category: Signaling protein]]
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[[Category: Son of sevenless]]
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[[Category: So]]
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Current revision

Crystal structure of the Histone domain, DH-PH unit, and catalytic unit of the Ras activator Son of Sevenless (SOS)

PDB ID 3ksy

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