1hdd: Difference between revisions
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[[Image: | ==CRYSTAL STRUCTURE OF AN ENGRAILED HOMEODOMAIN-DNA COMPLEX AT 2.8 ANGSTROMS RESOLUTION: A FRAMEWORK FOR UNDERSTANDING HOMEODOMAIN-DNA INTERACTIONS== | ||
<StructureSection load='1hdd' size='340' side='right' caption='[[1hdd]], [[Resolution|resolution]] 2.80Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[1hdd]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HDD OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1HDD FirstGlance]. <br> | |||
</td></tr><tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1hdd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hdd OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1hdd RCSB], [http://www.ebi.ac.uk/pdbsum/1hdd PDBsum]</span></td></tr> | |||
<table> | |||
== 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/hd/1hdd_consurf.spt"</scriptWhenChecked> | |||
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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/chain_selection.php?pdb_ID=2ata ConSurf]. | |||
<div style="clear:both"></div> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
The crystal structure of a complex containing the engrailed homeodomain and a duplex DNA site has been determined at 2.8 A resolution and refined to a crystallographic R factor of 24.4%. In this complex, two separate regions of the 61 amino acid polypeptide contact a TAAT subsite. An N-terminal arm fits into the minor groove, and the side chains of Arg-3 and Arg-5 make contacts near the 5' end of this "core consensus" binding site. An alpha helix fits into the major groove, and the side chains of IIe-47 and Asn-51 contact base pairs near the 3' end of the TAAT site. This "recognition helix" is part of a structurally conserved helix-turn-helix unit, but these helices are longer than the corresponding helices in the lambda repressor, and the relationship between the helix-turn-helix unit and the DNA is significantly different. | |||
Crystal structure of an engrailed homeodomain-DNA complex at 2.8 A resolution: a framework for understanding homeodomain-DNA interactions.,Kissinger CR, Liu BS, Martin-Blanco E, Kornberg TB, Pabo CO Cell. 1990 Nov 2;63(3):579-90. PMID:1977522<ref>PMID:1977522</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
== | |||
< | |||
[[Category: Drosophila melanogaster]] | [[Category: Drosophila melanogaster]] | ||
[[Category: Kissinger, C R.]] | [[Category: Kissinger, C R.]] | ||
Revision as of 09:14, 28 September 2014
CRYSTAL STRUCTURE OF AN ENGRAILED HOMEODOMAIN-DNA COMPLEX AT 2.8 ANGSTROMS RESOLUTION: A FRAMEWORK FOR UNDERSTANDING HOMEODOMAIN-DNA INTERACTIONS
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