1sb2: Difference between revisions
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==High resolution Structure determination of rhodocetin== | |||
<StructureSection load='1sb2' size='340' side='right'caption='[[1sb2]], [[Resolution|resolution]] 1.90Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[1sb2]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Calloselasma_rhodostoma Calloselasma rhodostoma]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SB2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SB2 FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9Å</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=1sb2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1sb2 OCA], [https://pdbe.org/1sb2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1sb2 RCSB], [https://www.ebi.ac.uk/pdbsum/1sb2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1sb2 ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/SLEA_CALRH SLEA_CALRH] Potent inhibitor of collagen-induced platelet aggregation. It acts by binding to the integrin alpha2A domain and blocks collagen binding to integrin alpha-2/beta-1 (ITGA2/ITGB1). The gamma/delta subunits mainly contribute to this activity.<ref>PMID:10360956</ref> <ref>PMID:11121411</ref> <ref>PMID:12871211</ref> | |||
== Evolutionary Conservation == | |||
[[Image:Consurf_key_small.gif|200px|right]] | |||
Check<jmol> | |||
<jmolCheckbox> | |||
<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/sb/1sb2_consurf.spt"</scriptWhenChecked> | |||
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked> | |||
<text>to colour the structure by Evolutionary Conservation</text> | |||
</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/main_output.php?pdb_ID=1sb2 ConSurf]. | |||
<div style="clear:both"></div> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Rhodocetin is a unique heterodimer consisting of alpha- and beta-subunits of 133 and 129 residues, respectively. The molecule, purified from the crude venom of the Malayan pit viper, Calloselasma rhodostoma, functions as an inhibitor of collagen-induced aggregation. Rhodocetin has been shown to have activity only when present as a dimer. The dimer is formed without an intersubunit disulfide bridge, unlike all the other Ca(2+)-dependent lectin-like proteins. We report here the 1.9 A resolution structure of rhodocetin, which reveals the compensatory interactions that occur in the absence of the disulfide bridge to preserve activity. | |||
Structure of rhodocetin reveals noncovalently bound heterodimer interface.,Paaventhan P, Kong C, Joseph JS, Chung MC, Kolatkar PR Protein Sci. 2005 Jan;14(1):169-75. Epub 2004 Dec 2. PMID:15576563<ref>PMID:15576563</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 1sb2" style="background-color:#fffaf0;"></div> | |||
== | ==See Also== | ||
[[ | *[[Rhodocetin|Rhodocetin]] | ||
== References == | |||
== | <references/> | ||
< | __TOC__ | ||
</StructureSection> | |||
[[Category: Calloselasma rhodostoma]] | [[Category: Calloselasma rhodostoma]] | ||
[[Category: | [[Category: Large Structures]] | ||
[[Category: | [[Category: Chung MCM]] | ||
[[Category: | [[Category: Joseph JS]] | ||
[[Category: | [[Category: Kolatkar PR]] | ||
[[Category: | [[Category: Kong CG]] | ||
[[Category: | [[Category: Paaventhan P]] | ||