This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.
Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.
2xgc
From Proteopedia
(Difference between revisions)
| (5 intermediate revisions not shown.) | |||
| Line 1: | Line 1: | ||
| - | == | + | |
| - | <StructureSection load='2xgc' size='340' side='right' caption='[[2xgc]], [[Resolution|resolution]] 2.15Å' scene=''> | + | ==Crystal structure of a designed heterodimeric variant T-A(I)B of the tetracycline repressor== |
| + | <StructureSection load='2xgc' size='340' side='right'caption='[[2xgc]], [[Resolution|resolution]] 2.15Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
| - | <table><tr><td colspan='2'>[[2xgc]] is a 2 chain structure with sequence from [ | + | <table><tr><td colspan='2'>[[2xgc]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2XGC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2XGC FirstGlance]. <br> |
| - | </td></tr><tr><td class="sblockLbl"><b>[[ | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.15Å</td></tr> |
| - | <tr><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=2xgc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2xgc OCA], [https://pdbe.org/2xgc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2xgc RCSB], [https://www.ebi.ac.uk/pdbsum/2xgc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2xgc ProSAT]</span></td></tr> |
| - | <table> | + | </table> |
| + | == Function == | ||
| + | [https://www.uniprot.org/uniprot/TETR2_ECOLX TETR2_ECOLX] TetR is the repressor of the tetracycline resistance element; its N-terminal region forms a helix-turn-helix structure and binds DNA. Binding of tetracycline to TetR reduces the repressor affinity for the tetracycline resistance gene (tetA) promoter operator sites.[https://www.uniprot.org/uniprot/TETR4_ECOLX TETR4_ECOLX] TetR is the repressor of the tetracycline resistance element; its N-terminal region forms a helix-turn-helix structure and binds DNA. Binding of tetracycline to TetR reduces the repressor affinity for the tetracycline resistance gene (tetA) promoter operator sites. | ||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
Check<jmol> | Check<jmol> | ||
<jmolCheckbox> | <jmolCheckbox> | ||
| - | <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/xg/2xgc_consurf.spt"</scriptWhenChecked> | + | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/xg/2xgc_consurf.spt"</scriptWhenChecked> |
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | ||
<text>to colour the structure by Evolutionary Conservation</text> | <text>to colour the structure by Evolutionary Conservation</text> | ||
</jmolCheckbox> | </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/ | + | </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/main_output.php?pdb_ID=2xgc ConSurf]. |
<div style="clear:both"></div> | <div style="clear:both"></div> | ||
<div style="background-color:#fffaf0;"> | <div style="background-color:#fffaf0;"> | ||
| Line 24: | Line 27: | ||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | ||
</div> | </div> | ||
| + | <div class="pdbe-citations 2xgc" style="background-color:#fffaf0;"></div> | ||
==See Also== | ==See Also== | ||
| - | + | *[[Tetracycline repressor protein 3D structures|Tetracycline repressor protein 3D structures]] | |
| - | *[[Tetracycline repressor protein|Tetracycline repressor protein]] | + | |
== References == | == References == | ||
<references/> | <references/> | ||
| Line 33: | Line 36: | ||
</StructureSection> | </StructureSection> | ||
[[Category: Escherichia coli]] | [[Category: Escherichia coli]] | ||
| - | [[Category: | + | [[Category: Large Structures]] |
| - | [[Category: | + | [[Category: Muller YA]] |
| - | [[Category: | + | [[Category: Richter JP]] |
| - | [[Category: | + | [[Category: Stiebritz MT]] |
| - | [[Category: | + | [[Category: Wengrzik S]] |
| - | + | ||
| - | + | ||
| - | + | ||
Current revision
Crystal structure of a designed heterodimeric variant T-A(I)B of the tetracycline repressor
| |||||||||||

