1mil

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[[Image:1mil.gif|left|200px]]
 
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==TRANSFORMING PROTEIN==
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The line below this paragraph, containing "STRUCTURE_1mil", creates the "Structure Box" on the page.
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<StructureSection load='1mil' size='340' side='right'caption='[[1mil]], [[Resolution|resolution]] 2.70&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'>[[1mil]] 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=1MIL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1MIL 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]] 2.7&#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=1mil FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mil OCA], [https://pdbe.org/1mil PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1mil RCSB], [https://www.ebi.ac.uk/pdbsum/1mil PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1mil ProSAT]</span></td></tr>
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{{STRUCTURE_1mil| PDB=1mil | SCENE= }}
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</table>
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== Function ==
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'''TRANSFORMING PROTEIN'''
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[https://www.uniprot.org/uniprot/SHC1_HUMAN SHC1_HUMAN] Signaling adapter that couples activated growth factor receptors to signaling pathways. Participates in a signaling cascade initiated by activated KIT and KITLG/SCF. Isoform p46Shc and isoform p52Shc, once phosphorylated, couple activated receptor tyrosine kinases to Ras via the recruitment of the GRB2/SOS complex and are implicated in the cytoplasmic propagation of mitogenic signals. Isoform p46Shc and isoform p52Shc may thus function as initiators of the Ras signaling cascade in various non-neuronal systems. Isoform p66Shc does not mediate Ras activation, but is involved in signal transduction pathways that regulate the cellular response to oxidative stress and life span. Isoform p66Shc acts as a downstream target of the tumor suppressor p53 and is indispensable for the ability of stress-activated p53 to induce elevation of intracellular oxidants, cytochrome c release and apoptosis. The expression of isoform p66Shc has been correlated with life span (By similarity). Participates in signaling downstream of the angiopoietin receptor TEK/TIE2, and plays a role in the regulation of endothelial cell migration and sprouting angiogenesis.<ref>PMID:14665640</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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==Overview==
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Check<jmol>
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Src homology 2 domains (SH2) are protein molecules found within a wide variety of cytoplasmic signalling molecules that bind with high affinity to phosphotyrosyl (pY)-containing protein sequences. We report here for crystal structure of the SH2 domain from the adaptor protein SHC (Shc), which has been refined by restrained least-squares methods to an R-factor of 17.3% to 2.7 A. The overall Shc architecture is essentially similar to that determined in other SH2 domains but it shows significant differences in a number of loops, thus providing a molecular surface with no obvious secondary pocket. Based on the knowledge of the crystal structure of the protein a model for a low affinity Shc-bound peptide has been generated from nuclear magnetic resonance data in solution using transferred nuclear Overhauser enhancements as intramolecular distance restraints. The model shows that the tyrosine moiety binds Shc in a rather similar way to that observed for other SH2-peptide complexes, but that the residue in position +3 does not seem to make specific contact with the protein. An intermolecular crystallographic interaction occurs between the pY-binding site and the C-terminal residues of a symmetry-related molecule. This crystal packing interaction suggests how inhibitory regulation could play a role in SHC activity.
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/mi/1mil_consurf.spt"</scriptWhenChecked>
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==About this Structure==
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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1MIL is a [[Single protein]] structure of 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=1MIL OCA].
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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==Reference==
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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=1mil ConSurf].
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Crystal structure of the SH2 domain from the adaptor protein SHC: a model for peptide binding based on X-ray and NMR data., Mikol V, Baumann G, Zurini MG, Hommel U, J Mol Biol. 1995 Nov 17;254(1):86-95. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7473762 7473762]
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<div style="clear:both"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Mikol, V.]]
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[[Category: Mikol V]]
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[[Category: Alternative initiation]]
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[[Category: Collagen]]
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[[Category: Growth regulation]]
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[[Category: Phosphorylation]]
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[[Category: Sh2 domain]]
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[[Category: Transforming protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 01:07:12 2008''
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Current revision

TRANSFORMING PROTEIN

PDB ID 1mil

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