3srp

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[[Image:3srp.png|left|200px]]
 
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{{STRUCTURE_3srp| PDB=3srp | SCENE= }}
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==Structure of Rivax: A Human Ricin Vaccine==
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<StructureSection load='3srp' size='340' side='right'caption='[[3srp]], [[Resolution|resolution]] 2.14&Aring;' scene=''>
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===Structure of Rivax: A Human Ricin Vaccine===
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3srp]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Ricinus_communis Ricinus communis]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=3bjg 3bjg]. The May 2013 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Ricin'' by David Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2013_5 10.2210/rcsb_pdb/mom_2013_5]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3SRP OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3SRP FirstGlance]. <br>
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{{ABSTRACT_PUBMED_21904036}}
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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]] 2.14&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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==About this Structure==
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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=3srp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3srp OCA], [https://pdbe.org/3srp PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3srp RCSB], [https://www.ebi.ac.uk/pdbsum/3srp PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3srp ProSAT]</span></td></tr>
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[[3srp]] is a 1 chain structure of [[Ricin]] with sequence from [http://en.wikipedia.org/wiki/Ricinus_communis Ricinus communis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3SRP OCA].
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RICI_RICCO RICI_RICCO] Ricin is highly toxic to animal cells and to a lesser extent to plant cells. The A chain acts as a glycosidase that removes a specific adenine residue from an exposed loop of the 28S rRNA (A4324 in mammals), leading to rRNA breakage. As this loop is involved in elongation factor binding, modified ribosomes are catalytically inactive and unable to support protein synthesis. The A chain can inactivate a few thousand ribosomes per minute, faster than the cell can make new ones. Therefore a single A chain molecule can kill an animal cell. The B chain binds to beta-D-galactopyranoside moieties on cell surface glycoproteins and glycolipids and facilitates the entry into the cell of the A chain; B chains are also responsible for cell agglutination (Lectin activity).
==See Also==
==See Also==
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*[[Ricin|Ricin]]
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*[[Ricin 3D structures|Ricin 3D structures]]
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__TOC__
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==Reference==
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</StructureSection>
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<ref group="xtra">PMID:021904036</ref><references group="xtra"/>
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[[Category: Large Structures]]
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[[Category: RCSB PDB Molecule of the Month]]
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[[Category: Ricin]]
[[Category: Ricinus communis]]
[[Category: Ricinus communis]]
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[[Category: RRNA N-glycosylase]]
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[[Category: Legler PM]]
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[[Category: Legler, P M.]]
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[[Category: Millard CB]]
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[[Category: Millard, C B.]]
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[[Category: Hydrolase]]
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[[Category: Immunogen]]
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[[Category: Ribosome inactivating protein]]
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Current revision

Structure of Rivax: A Human Ricin Vaccine

PDB ID 3srp

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