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==Catalytic domain of endo-1,4-glucanase Cel6A mutant Y73S from Thermobifida fusca in complex with cellotetrose== | |||
<StructureSection load='2bof' size='340' side='right' caption='[[2bof]], [[Resolution|resolution]] 1.64Å' scene=''> | <StructureSection load='2bof' size='340' side='right' caption='[[2bof]], [[Resolution|resolution]] 1.64Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1tml|1tml]], [[2bod|2bod]], [[2boe|2boe]], [[2bog|2bog]]</td></tr> | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1tml|1tml]], [[2bod|2bod]], [[2boe|2boe]], [[2bog|2bog]]</td></tr> | ||
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Cellulase Cellulase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.4 3.2.1.4] </span></td></tr> | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Cellulase Cellulase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.4 3.2.1.4] </span></td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2bof FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2bof OCA], [http://pdbe.org/2bof PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2bof RCSB], [http://www.ebi.ac.uk/pdbsum/2bof PDBsum]</span></td></tr> | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2bof FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2bof OCA], [http://pdbe.org/2bof PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2bof RCSB], [http://www.ebi.ac.uk/pdbsum/2bof PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2bof ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
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Check<jmol> | Check<jmol> | ||
<jmolCheckbox> | <jmolCheckbox> | ||
<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/bo/2bof_consurf.spt"</scriptWhenChecked> | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/bo/2bof_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=2bof ConSurf]. | ||
<div style="clear:both"></div> | <div style="clear:both"></div> | ||
<div style="background-color:#fffaf0;"> | <div style="background-color:#fffaf0;"> | ||
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</div> | </div> | ||
<div class="pdbe-citations 2bof" style="background-color:#fffaf0;"></div> | <div class="pdbe-citations 2bof" style="background-color:#fffaf0;"></div> | ||
== References == | == References == | ||
<references/> | <references/> | ||
Revision as of 10:18, 17 January 2018
Catalytic domain of endo-1,4-glucanase Cel6A mutant Y73S from Thermobifida fusca in complex with cellotetroseCatalytic domain of endo-1,4-glucanase Cel6A mutant Y73S from Thermobifida fusca in complex with cellotetrose
Structural highlights
Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedEndoglucanase Cel6A from Thermobifida fusca hydrolyzes the beta-1,4 linkages in cellulose at accessible points along the polymer. The structure of the catalytic domain of Cel6A from T. fusca in complex with a nonhydrolysable substrate analogue that acts as an inhibitor, methylcellobiosyl-4-thio-beta-cellobioside (Glc(2)-S-Glc(2)), has been determined to 1.5 A resolution. The glycosyl unit in subsite -1 was sterically hindered by Tyr73 and forced into a distorted (2)S(o) conformation. In the enzyme where Tyr73 was mutated to a serine residue, the hindrance was removed and the glycosyl unit in subsite -1 had a relaxed (4)C(1) chair conformation. The relaxed conformation was seen in two complex structures of the mutated enzyme, with cellotetrose (Glc(4)) at 1.64 A and Glc(2)-S-Glc(2) at 1.04 A resolution. Crystal structure of Thermobifida fusca endoglucanase Cel6A in complex with substrate and inhibitor: the role of tyrosine Y73 in substrate ring distortion.,Larsson AM, Bergfors T, Dultz E, Irwin DC, Roos A, Driguez H, Wilson DB, Jones TA Biochemistry. 2005 Oct 4;44(39):12915-22. PMID:16185060[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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