3em2: Difference between revisions
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==A bimolecular anti-parallel-stranded Oxytricha nova telomeric quadruplex in complex with a 3,6-disubstituted acridine BSU-6038== | |||
<StructureSection load='3em2' size='340' side='right'caption='[[3em2]], [[Resolution|resolution]] 2.30Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[3em2]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3EM2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3EM2 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]] 2.3Å</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=NCE:3,6-BIS[(3-MORPHOLINOPROPIONAMIDO)]+ACRIDINE'>NCE</scene></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=3em2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3em2 OCA], [https://pdbe.org/3em2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3em2 RCSB], [https://www.ebi.ac.uk/pdbsum/3em2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3em2 ProSAT]</span></td></tr> | |||
</table> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
A series of disubstituted acridine ligands have been cocrystallized with a bimolecular DNA G-quadruplex. The ligands have a range of cyclic amino end groups of varying size. The crystal structures show that the diagonal loop in this quadruplex results in a large cavity for these groups, in contrast to the steric constraints imposed by propeller loops in human telomeric quadruplexes. We conclude that the nature of the loop has a significant influence on ligand selectivity for particular quadruplex folds. | |||
Selectivity in Ligand Recognition of G-Quadruplex Loops (dagger).,Campbell NH, Patel M, Tofa AB, Ghosh R, Parkinson GN, Neidle S Biochemistry. 2009 Feb 4. PMID:19173611<ref>PMID:19173611</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 3em2" style="background-color:#fffaf0;"></div> | |||
== References == | |||
<references/> | |||
= | __TOC__ | ||
</StructureSection> | |||
[[Category: Large Structures]] | |||
[[Category: Campbell NH]] | |||
[[Category: | [[Category: Neidle S]] | ||
[[Category: | [[Category: Parkinson G]] | ||
[[Category: | |||
[[Category: G | |||
Latest revision as of 06:29, 6 September 2023
A bimolecular anti-parallel-stranded Oxytricha nova telomeric quadruplex in complex with a 3,6-disubstituted acridine BSU-6038
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