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==CRYSTAL STRUCTURE OF A SRC-HOMOLOGY 3 (SH3) DOMAIN==
==CRYSTAL STRUCTURE OF A SRC-HOMOLOGY 3 (SH3) DOMAIN==
<StructureSection load='1shg' size='340' side='right' caption='[[1shg]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
<StructureSection load='1shg' size='340' side='right'caption='[[1shg]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1shg]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SHG OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1SHG FirstGlance]. <br>
<table><tr><td colspan='2'>[[1shg]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SHG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SHG FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1shg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1shg OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1shg RCSB], [http://www.ebi.ac.uk/pdbsum/1shg PDBsum]</span></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]] 1.8&#8491;</td></tr>
<table>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1shg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1shg OCA], [https://pdbe.org/1shg PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1shg RCSB], [https://www.ebi.ac.uk/pdbsum/1shg PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1shg ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/SPTN1_CHICK SPTN1_CHICK] Morphologically, spectrin-like proteins appear to be related to spectrin, showing a flexible rod-like structure. They can bind actin but seem to differ in their calmodulin-binding activity. In nonerythroid tissues, spectrins, in association with some other proteins, may play an important role in membrane organization.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/sh/1shg_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/sh/1shg_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
   </jmolCheckbox>
</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/chain_selection.php?pdb_ID=2ata ConSurf].
</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=1shg ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The Src-homologous SH3 domain is a small domain present in a large number of proteins that are involved in signal transduction, such as the Src protein tyrosine kinase, or in membrane-cytoskeleton interactions, but the function of SH3 is still unknown (reviewed in refs 1-3). Here we report the three-dimensional structure at 1.8 A resolution of the SH3 domain of the cytoskeletal protein spectrin expressed in Escherichia coli. The domain is a compact beta-barrel made of five antiparallel beta-strands. The amino acids that are conserved in the SH3 sequences are located close to each other on one side of the molecule. This surface is rich in aromatic and carboxylic amino acids, and is distal to the region of the molecule where the N and C termini reside and where SH3 inserts into the alpha-spectrin chain. We suggest that a protein ligand binds to this conserved surface of SH3.
Crystal structure of a Src-homology 3 (SH3) domain.,Musacchio A, Noble M, Pauptit R, Wierenga R, Saraste M Nature. 1992 Oct 29;359(6398):851-5. PMID:1279434<ref>PMID:1279434</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>


==See Also==
==See Also==
*[[Spectrin|Spectrin]]
*[[Spectrin 3D structures|Spectrin 3D structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Gallus gallus]]
[[Category: Gallus gallus]]
[[Category: Musacchio, A.]]
[[Category: Large Structures]]
[[Category: Noble, M.]]
[[Category: Musacchio A]]
[[Category: Pauptit, R.]]
[[Category: Noble M]]
[[Category: Saraste, M.]]
[[Category: Pauptit R]]
[[Category: Wierenga, R K.]]
[[Category: Saraste M]]
[[Category: Cytoskeleton]]
[[Category: Wierenga RK]]

Latest revision as of 11:30, 14 February 2024

CRYSTAL STRUCTURE OF A SRC-HOMOLOGY 3 (SH3) DOMAINCRYSTAL STRUCTURE OF A SRC-HOMOLOGY 3 (SH3) DOMAIN

Structural highlights

1shg is a 1 chain structure with sequence from Gallus gallus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.8Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

SPTN1_CHICK Morphologically, spectrin-like proteins appear to be related to spectrin, showing a flexible rod-like structure. They can bind actin but seem to differ in their calmodulin-binding activity. In nonerythroid tissues, spectrins, in association with some other proteins, may play an important role in membrane organization.

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

1shg, resolution 1.80Å

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OCA
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