2fh1: Difference between revisions

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<StructureSection load='2fh1' size='340' side='right'caption='[[2fh1]], [[Resolution|resolution]] 1.55&Aring;' scene=''>
<StructureSection load='2fh1' size='340' side='right'caption='[[2fh1]], [[Resolution|resolution]] 1.55&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2fh1]] is a 3 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=2FH1 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2FH1 FirstGlance]. <br>
<table><tr><td colspan='2'>[[2fh1]] is a 3 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=2FH1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2FH1 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</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]] 1.55&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2fh2|2fh2]], [[2fh3|2fh3]], [[2fh4|2fh4]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></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=2fh1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2fh1 OCA], [http://pdbe.org/2fh1 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2fh1 RCSB], [http://www.ebi.ac.uk/pdbsum/2fh1 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2fh1 ProSAT]</span></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=2fh1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2fh1 OCA], [https://pdbe.org/2fh1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2fh1 RCSB], [https://www.ebi.ac.uk/pdbsum/2fh1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2fh1 ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
[[http://www.uniprot.org/uniprot/GELS_HUMAN GELS_HUMAN]] Defects in GSN are the cause of amyloidosis type 5 (AMYL5) [MIM:[http://omim.org/entry/105120 105120]]; also known as familial amyloidosis Finnish type. AMYL5 is a hereditary generalized amyloidosis due to gelsolin amyloid deposition. It is typically characterized by cranial neuropathy and lattice corneal dystrophy. Most patients have modest involvement of internal organs, but severe systemic disease can develop in some individuals causing peripheral polyneuropathy, amyloid cardiomyopathy, and nephrotic syndrome leading to renal failure.<ref>PMID:2157434</ref> <ref>PMID:2153578</ref> <ref>PMID:2176481</ref> <ref>PMID:1338910</ref>
[https://www.uniprot.org/uniprot/GELS_HUMAN GELS_HUMAN] Defects in GSN are the cause of amyloidosis type 5 (AMYL5) [MIM:[https://omim.org/entry/105120 105120]; also known as familial amyloidosis Finnish type. AMYL5 is a hereditary generalized amyloidosis due to gelsolin amyloid deposition. It is typically characterized by cranial neuropathy and lattice corneal dystrophy. Most patients have modest involvement of internal organs, but severe systemic disease can develop in some individuals causing peripheral polyneuropathy, amyloid cardiomyopathy, and nephrotic syndrome leading to renal failure.<ref>PMID:2157434</ref> <ref>PMID:2153578</ref> <ref>PMID:2176481</ref> <ref>PMID:1338910</ref>  
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/GELS_HUMAN GELS_HUMAN]] Calcium-regulated, actin-modulating protein that binds to the plus (or barbed) ends of actin monomers or filaments, preventing monomer exchange (end-blocking or capping). It can promote the assembly of monomers into filaments (nucleation) as well as sever filaments already formed. Plays a role in ciliogenesis.<ref>PMID:20393563</ref>
[https://www.uniprot.org/uniprot/GELS_HUMAN GELS_HUMAN] Calcium-regulated, actin-modulating protein that binds to the plus (or barbed) ends of actin monomers or filaments, preventing monomer exchange (end-blocking or capping). It can promote the assembly of monomers into filaments (nucleation) as well as sever filaments already formed. Plays a role in ciliogenesis.<ref>PMID:20393563</ref>  
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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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=2fh1 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=2fh1 ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Gelsolin is a calcium and pH-sensitive modulator of actin filament length. Here, we use X-ray crystallography to examine the extraction and exchange of calcium ions from their binding sites in different crystalline forms of the activated N and C-terminal halves of gelsolin, G1-G3 and G4-G6, respectively. We demonstrate that the combination of calcium and low pH activating conditions do not induce conformational changes in G4-G6 beyond those elicited by calcium alone. EGTA is able to remove calcium ions bound to the type I and type II metal ion-binding sites in G4-G6. Constrained by crystal contacts and stabilized by interdomain interaction surfaces, the gross structure of calcium-depleted G4-G6 remains that of the activated form. However, high-resolution details of changes in the ion-binding sites may represent the initial steps toward restoration of the arrangement of domains found in the calcium-free inactive form of gelsolin in solution. Furthermore, bathing crystals with the trivalent calcium ion mimic, Tb3+, results in anomalous scattering data that permit unequivocal localization of terbium ions in each of the proposed type I and type II ion-binding sites of both halves of gelsolin. In contrast to predictions based on solution studies, we find that no calcium ion is immune to exchange.
Calcium ion exchange in crystalline gelsolin.,Chumnarnsilpa S, Loonchanta A, Xue B, Choe H, Urosev D, Wang H, Lindberg U, Burtnick LD, Robinson RC J Mol Biol. 2006 Mar 31;357(3):773-82. Epub 2006 Jan 26. PMID:16466744<ref>PMID:16466744</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 2fh1" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[3D Structures of gelsolin|3D Structures of gelsolin]]
*[[Gelsolin 3D structures|Gelsolin 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Burtnick, L D]]
[[Category: Burtnick LD]]
[[Category: Choe, H]]
[[Category: Choe H]]
[[Category: Chumnarnsilpa, S]]
[[Category: Chumnarnsilpa S]]
[[Category: Loonchanta, A]]
[[Category: Loonchanta A]]
[[Category: Robinson, R C]]
[[Category: Robinson RC]]
[[Category: Urosev, D]]
[[Category: Urosev D]]
[[Category: Wang, H]]
[[Category: Wang H]]
[[Category: Xue, B]]
[[Category: Xue B]]
[[Category: Calcium]]
[[Category: Contractile protein]]
[[Category: Gelsolin]]

Latest revision as of 13:50, 13 March 2024

C-terminal half of gelsolin soaked in low calcium at pH 4.5

2fh1, resolution 1.55Å

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