1sv4

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{{Seed}}
 
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[[Image:1sv4.png|left|200px]]
 
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==Crystal Structure of Yan-SAM==
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The line below this paragraph, containing "STRUCTURE_1sv4", creates the "Structure Box" on the page.
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<StructureSection load='1sv4' size='340' side='right'caption='[[1sv4]], [[Resolution|resolution]] 2.15&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1sv4]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SV4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SV4 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]] 2.15&#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=1sv4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1sv4 OCA], [https://pdbe.org/1sv4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1sv4 RCSB], [https://www.ebi.ac.uk/pdbsum/1sv4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1sv4 ProSAT]</span></td></tr>
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{{STRUCTURE_1sv4| PDB=1sv4 | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/POK_DROME POK_DROME] Negative regulator of photoreceptor development that acts antagonistically to the proneural signal mediated by RAS. It acts upstream of SINA to inhibit R7 development.<ref>PMID:1505027</ref> <ref>PMID:1495974</ref>
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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/sv/1sv4_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=1sv4 ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Yan, an ETS family transcriptional repressor, is regulated by receptor tyrosine kinase signaling via the Ras/MAPK pathway. Phosphorylation and downregulation of Yan is facilitated by a protein called Mae. Yan and Mae interact through their SAM domains. We find that repression by Yan requires the formation of a higher order structure mediated by Yan-SAM polymerization. Moreover, a crystal structure of the Yan-SAM/Mae-SAM complex shows that Mae-SAM specifically recognizes a surface on Yan-SAM that is also required for Yan-SAM polymerization. Mae-SAM binds to Yan-SAM with approximately 1000-fold higher affinity than Yan-SAM binds to itself and can effectively depolymerize Yan-SAM. Mutations on Mae that specifically disrupt its SAM domain-dependent interactions with Yan disable the derepression function of Mae in vivo. Depolymerization of Yan by Mae represents a novel mechanism of transcriptional control that sensitizes Yan for regulation by receptor tyrosine kinases.
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===Crystal Structure of Yan-SAM===
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Derepression by depolymerization; structural insights into the regulation of Yan by Mae.,Qiao F, Song H, Kim CA, Sawaya MR, Hunter JB, Gingery M, Rebay I, Courey AJ, Bowie JU Cell. 2004 Jul 23;118(2):163-73. PMID:15260987<ref>PMID:15260987</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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The line below this paragraph, {{ABSTRACT_PUBMED_15260987}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1sv4" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 15260987 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_15260987}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1SV4 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SV4 OCA].
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==Reference==
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Derepression by depolymerization; structural insights into the regulation of Yan by Mae., Qiao F, Song H, Kim CA, Sawaya MR, Hunter JB, Gingery M, Rebay I, Courey AJ, Bowie JU, Cell. 2004 Jul 23;118(2):163-73. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15260987 15260987]
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[[Category: Drosophila melanogaster]]
[[Category: Drosophila melanogaster]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Bowie, J U.]]
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[[Category: Bowie JU]]
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[[Category: Courey, A J.]]
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[[Category: Courey AJ]]
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[[Category: Gingery, M.]]
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[[Category: Gingery M]]
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[[Category: Hunter, J B.]]
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[[Category: Hunter JB]]
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[[Category: Kim, C A.]]
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[[Category: Kim CA]]
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[[Category: Qiao, F.]]
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[[Category: Qiao F]]
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[[Category: Rebay, I.]]
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[[Category: Rebay I]]
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[[Category: Sawaya, M R.]]
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[[Category: Sawaya MR]]
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[[Category: Song, H.]]
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[[Category: Song H]]
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[[Category: Alpha-helix]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 18:29:10 2008''
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Current revision

Crystal Structure of Yan-SAM

PDB ID 1sv4

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