3iyd

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[[Image:3iyd.png|left|200px]]
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==Three-dimensional EM structure of an intact activator-dependent transcription initiation complex==
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<StructureSection load='3iyd' size='340' side='right' caption='[[3iyd]], [[Resolution|resolution]] 19.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3iyd]] is a 10 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [http://en.wikipedia.org/wiki/Escherichia_coli_k-12 Escherichia coli k-12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3IYD OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3IYD FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CMP:ADENOSINE-3,5-CYCLIC-MONOPHOSPHATE'>CMP</scene><br>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">b3295, JW3257, pez, phs, rpoA, RpoB, RpoC, RpoD, RpoZ, sez ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli]), rpoB, groN, nitB, rif, ron, stl, stv, tabD, b3987, JW3950 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli]), rpoZ, b3649, JW3624 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 Escherichia coli K-12]), rpoD ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 Escherichia coli K-12]), crp, cap, csm, b3357, JW5702 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 Escherichia coli K-12])</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/DNA-directed_RNA_polymerase DNA-directed RNA polymerase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.7.6 2.7.7.6] </span></td></tr>
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<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=3iyd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3iyd OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3iyd RCSB], [http://www.ebi.ac.uk/pdbsum/3iyd PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/iy/3iyd_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</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].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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We present the experimentally determined 3D structure of an intact activator-dependent transcription initiation complex comprising the Escherichia coli catabolite activator protein (CAP), RNA polymerase holoenzyme (RNAP), and a DNA fragment containing positions -78 to +20 of a Class I CAP-dependent promoter with a CAP site at position -61.5 and a premelted transcription bubble. A 20-A electron microscopy reconstruction was obtained by iterative projection-based matching of single particles visualized in carbon-sandwich negative stain and was fitted using atomic coordinate sets for CAP, RNAP, and DNA. The structure defines the organization of a Class I CAP-RNAP-promoter complex and supports previously proposed interactions of CAP with RNAP alpha subunit C-terminal domain (alphaCTD), interactions of alphaCTD with sigma(70) region 4, interactions of CAP and RNAP with promoter DNA, and phased-DNA-bend-dependent partial wrapping of DNA around the complex. The structure also reveals the positions and shapes of species-specific domains within the RNAP beta', beta, and sigma(70) subunits.
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{{STRUCTURE_3iyd| PDB=3iyd | SCENE= }}
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Three-dimensional EM structure of an intact activator-dependent transcription initiation complex.,Hudson BP, Quispe J, Lara-Gonzalez S, Kim Y, Berman HM, Arnold E, Ebright RH, Lawson CL Proc Natl Acad Sci U S A. 2009 Nov 24;106(47):19830-5. Epub 2009 Nov 10. PMID:19903881<ref>PMID:19903881</ref>
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===Three-dimensional EM structure of an intact activator-dependent transcription initiation complex===
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_19903881}}
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==About this Structure==
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[[3iyd]] is a 10 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [http://en.wikipedia.org/wiki/Escherichia_coli_k-12 Escherichia coli k-12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3IYD OCA].
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==See Also==
==See Also==
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*[[Catabolite gene activator protein|Catabolite gene activator protein]]
*[[RNA polymerase|RNA polymerase]]
*[[RNA polymerase|RNA polymerase]]
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*[[Sigma factor|Sigma factor]]
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==Reference==
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== References ==
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<ref group="xtra">PMID:019903881</ref><references group="xtra"/>
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<references/>
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__TOC__
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</StructureSection>
[[Category: DNA-directed RNA polymerase]]
[[Category: DNA-directed RNA polymerase]]
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]

Revision as of 11:26, 29 September 2014

Three-dimensional EM structure of an intact activator-dependent transcription initiation complex

3iyd, resolution 19.80Å

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