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.
2cv8
From Proteopedia
(Difference between revisions)
| (4 intermediate revisions not shown.) | |||
| Line 1: | Line 1: | ||
| + | |||
==Crystal structure of tRNA-intron endonuclease from Sulfolobus tokodaii== | ==Crystal structure of tRNA-intron endonuclease from Sulfolobus tokodaii== | ||
| - | <StructureSection load='2cv8' size='340' side='right' caption='[[2cv8]], [[Resolution|resolution]] 2.80Å' scene=''> | + | <StructureSection load='2cv8' size='340' side='right'caption='[[2cv8]], [[Resolution|resolution]] 2.80Å' scene=''> |
== Structural highlights == | == Structural highlights == | ||
| - | <table><tr><td colspan='2'>[[2cv8]] is a 2 chain structure with sequence from [ | + | <table><tr><td colspan='2'>[[2cv8]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Sulfurisphaera_tokodaii Sulfurisphaera tokodaii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CV8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2CV8 FirstGlance]. <br> |
| - | </td></tr><tr id=' | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.8Å</td></tr> |
| - | <tr id=' | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</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=2cv8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2cv8 OCA], [https://pdbe.org/2cv8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2cv8 RCSB], [https://www.ebi.ac.uk/pdbsum/2cv8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2cv8 ProSAT], [https://www.topsan.org/Proteins/RSGI/2cv8 TOPSAN]</span></td></tr> | |
| - | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | + | |
</table> | </table> | ||
== Function == | == Function == | ||
| - | [ | + | [https://www.uniprot.org/uniprot/ENDA_SULTO ENDA_SULTO] Endonuclease that removes tRNA introns. Cleaves pre-tRNA at the 5'- and 3'-splice sites to release the intron. The products are an intron and two tRNA half-molecules bearing 2',3' cyclic phosphate and 5'-OH termini. Recognizes a pseudosymmetric substrate in which 2 bulged loops of 3 bases are separated by a stem of 4 bp (By similarity). |
== 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/cv/2cv8_consurf.spt"</scriptWhenChecked> | + | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cv/2cv8_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=2cv8 ConSurf]. |
<div style="clear:both"></div> | <div style="clear:both"></div> | ||
==See Also== | ==See Also== | ||
| - | *[[Endonuclease|Endonuclease]] | + | *[[Endonuclease 3D structures|Endonuclease 3D structures]] |
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
| - | [[Category: | + | [[Category: Large Structures]] |
| - | [[Category: | + | [[Category: Sulfurisphaera tokodaii]] |
| - | [[Category: Bessho | + | [[Category: Bessho Y]] |
| - | [[Category: Kato-Murayama | + | [[Category: Kato-Murayama M]] |
| - | + | [[Category: Shirouzu M]] | |
| - | [[Category: Shirouzu | + | [[Category: Yokoyama S]] |
| - | [[Category: Yokoyama | + | |
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
Current revision
Crystal structure of tRNA-intron endonuclease from Sulfolobus tokodaii
| |||||||||||
