2ffl: Difference between revisions
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<StructureSection load='2ffl' size='340' side='right'caption='[[2ffl]], [[Resolution|resolution]] 3.33Å' scene=''> | <StructureSection load='2ffl' size='340' side='right'caption='[[2ffl]], [[Resolution|resolution]] 3.33Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[2ffl]] is a 4 chain structure with sequence from [ | <table><tr><td colspan='2'>[[2ffl]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Giain Giain]. The February 2008 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Small Interfering RNA'' by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2008_2 10.2210/rcsb_pdb/mom_2008_2]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FFL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2FFL FirstGlance]. <br> | ||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene></td></tr> | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene></td></tr> | ||
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[ | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Ribonuclease_III Ribonuclease III], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.26.3 3.1.26.3] </span></td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2ffl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ffl OCA], [https://pdbe.org/2ffl PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2ffl RCSB], [https://www.ebi.ac.uk/pdbsum/2ffl PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2ffl ProSAT]</span></td></tr> | ||
</table> | </table> | ||
<div style="background-color:#fffaf0;"> | <div style="background-color:#fffaf0;"> | ||
Revision as of 12:54, 5 May 2021
Crystal Structure of Dicer from Giardia intestinalisCrystal Structure of Dicer from Giardia intestinalis
Structural highlights
Publication Abstract from PubMedThe specialized ribonuclease Dicer initiates RNA interference by cleaving double-stranded RNA (dsRNA) substrates into small fragments about 25 nucleotides in length. In the crystal structure of an intact Dicer enzyme, the PAZ domain, a module that binds the end of dsRNA, is separated from the two catalytic ribonuclease III (RNase III) domains by a flat, positively charged surface. The 65 angstrom distance between the PAZ and RNase III domains matches the length spanned by 25 base pairs of RNA. Thus, Dicer itself is a molecular ruler that recognizes dsRNA and cleaves a specified distance from the helical end. Structural basis for double-stranded RNA processing by Dicer.,Macrae IJ, Zhou K, Li F, Repic A, Brooks AN, Cande WZ, Adams PD, Doudna JA Science. 2006 Jan 13;311(5758):195-8. PMID:16410517[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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