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==Solution structure and dynamics of human S100A1 protein modified at cysteine 85 with homocysteine disulfide bond formation in calcium saturated form==
==Solution structure and dynamics of human S100A1 protein modified at cysteine 85 with homocysteine disulfide bond formation in calcium saturated form==
<StructureSection load='2lp2' size='340' side='right' caption='[[2lp2]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
<StructureSection load='2lp2' size='340' side='right'caption='[[2lp2]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2lp2]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2LP2 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2LP2 FirstGlance]. <br>
<table><tr><td colspan='2'>[[2lp2]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2LP2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2LP2 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>, <scene name='pdbligand=HCS:2-AMINO-4-MERCAPTO-BUTYRIC+ACID'>HCS</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR, 20 models</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2l0p|2l0p]]</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>, <scene name='pdbligand=HCS:2-AMINO-4-MERCAPTO-BUTYRIC+ACID'>HCS</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">S100A1, S100A ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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=2lp2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2lp2 OCA], [https://pdbe.org/2lp2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2lp2 RCSB], [https://www.ebi.ac.uk/pdbsum/2lp2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2lp2 ProSAT]</span></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=2lp2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2lp2 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2lp2 RCSB], [http://www.ebi.ac.uk/pdbsum/2lp2 PDBsum]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/S10A1_HUMAN S10A1_HUMAN]] Weakly binds calcium but binds zinc very tightly-distinct binding sites with different affinities exist for both ions on each monomer. Physiological concentrations of potassium ion antagonize the binding of both divalent cations, especially affecting high-affinity calcium-binding sites.  
[https://www.uniprot.org/uniprot/S10A1_HUMAN S10A1_HUMAN] Weakly binds calcium but binds zinc very tightly-distinct binding sites with different affinities exist for both ions on each monomer. Physiological concentrations of potassium ion antagonize the binding of both divalent cations, especially affecting high-affinity calcium-binding sites.
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
<div class="pdbe-citations 2lp2" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[S100 protein|S100 protein]]
*[[S100 proteins 3D structures|S100 proteins 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Ejchart, A]]
[[Category: Large Structures]]
[[Category: Jaremko, L]]
[[Category: Ejchart A]]
[[Category: Jaremko, M]]
[[Category: Jaremko L]]
[[Category: Nowakowski, M E]]
[[Category: Jaremko M]]
[[Category: Zdanowski, K]]
[[Category: Nowakowski ME]]
[[Category: Calcium binding]]
[[Category: Zdanowski K]]
[[Category: Calcium bound form]]
[[Category: Ef-hand]]
[[Category: Helix reorientation]]
[[Category: Metal binding protein]]
[[Category: Signaling protein]]
[[Category: Small thiol]]
[[Category: Thionylation]]
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