1qk0 - Revision history

OCA at 06:04, 17 April 2024

OCA — Wed, 17 Apr 2024 06:04:01 GMT

←Older revision		Revision as of 06:04, 17 April 2024
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	<StructureSection load='1qk0' size='340' side='right'caption='[[1qk0]], [[Resolution\|resolution]] 2.10Å' scene=''>		<StructureSection load='1qk0' size='340' side='right'caption='[[1qk0]], [[Resolution\|resolution]] 2.10Å' scene=''>
	== Structural highlights ==		== Structural highlights ==
-	<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/~~Atcc_13631 Atcc 13631~~]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>	+	<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Trichoderma_reesei Trichoderma reesei]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>
-	</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=IOB:3-IODO-BENZYL+ALCOHOL'>IOB</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=~~XYS~~:XYLOPYRANOSE'>~~XYS~~</scene>, <scene name='pdbligand=~~XYP~~:~~BETA-D-~~XYLOPYRANOSE'>~~XYP~~</scene~~></td></tr>~~	+	</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models\|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution\|Resolution]] 2.1Å</td></tr>
-	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Cellulose_1,4-beta-cellobiosidase_(non-reducing_end) Cellulose 1,4-beta-cellobiosidase (non-reducing end)], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.91 3.2.1.91] </span></td></tr>	+	<tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=IOB:3-IODO-BENZYL+ALCOHOL'>IOB</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=XYP:BETA-D-XYLOPYRANOSE'>XYP</scene>, <scene name='pdbligand=XYS:XYLOPYRANOSE'>XYS</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=1qk0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk0 OCA], [https://pdbe.org/1qk0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1qk0 RCSB], [https://www.ebi.ac.uk/pdbsum/1qk0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1qk0 ProSAT]</span></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=1qk0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk0 OCA], [https://pdbe.org/1qk0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1qk0 RCSB], [https://www.ebi.ac.uk/pdbsum/1qk0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1qk0 ProSAT]</span></td></tr>
	</table>		</table>
	== Function ==		== Function ==
-	[[https://www.uniprot.org/uniprot/GUX2_HYPJE GUX2_HYPJE]] The biological conversion of cellulose to glucose generally requires three types of hydrolytic enzymes: (1) Endoglucanases which cut internal beta-1,4-glucosidic bonds; (2) Exocellobiohydrolases that cut the dissaccharide cellobiose from the non-reducing end of the cellulose polymer chain; (3) Beta-1,4-glucosidases which hydrolyze the cellobiose and other short cello-oligosaccharides to glucose.	+	[https://www.uniprot.org/uniprot/GUX2_HYPJE GUX2_HYPJE] The biological conversion of cellulose to glucose generally requires three types of hydrolytic enzymes: (1) Endoglucanases which cut internal beta-1,4-glucosidic bonds; (2) Exocellobiohydrolases that cut the dissaccharide cellobiose from the non-reducing end of the cellulose polymer chain; (3) Beta-1,4-glucosidases which hydrolyze the cellobiose and other short cello-oligosaccharides to glucose.
	== Evolutionary Conservation ==		== Evolutionary Conservation ==
	[[Image:Consurf_key_small.gif\|200px\|right]]		[[Image:Consurf_key_small.gif\|200px\|right]]
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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/main_output.php?pdb_ID=1qk0 ConSurf].		</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=1qk0 ConSurf].
	<div style="clear:both"></div>		<div style="clear:both"></div>
-	<div style="background-color:#fffaf0;">
-	== Publication Abstract from PubMed ==
-	BACKGROUND: Cel6A is one of the two cellobiohydrolases produced by Trichoderma reesei. The catalytic core has a structure that is a variation of the classic TIM barrel. The active site is located inside a tunnel, the roof of which is formed mainly by a pair of loops. RESULTS: We describe three new ligand complexes. One is the structure of the wild-type enzyme in complex with a nonhydrolysable cello-oligosaccharide, methyl 4-S-beta-cellobiosyl-4-thio-beta-cellobioside (Glc)(2)-S-(Glc)(2), which differs from a cellotetraose in the nature of the central glycosidic linkage where a sulphur atom replaces an oxygen atom. The second structure is a mutant, Y169F, in complex with the same ligand, and the third is the wild-type enzyme in complex with m-iodobenzyl beta-D-glucopyranosyl-beta(1,4)-D-xylopyranoside (IBXG). CONCLUSIONS: The (Glc)(2)-S-(Glc)(2) ligand binds in the -2 to +2 sites in both the wild-type and mutant enzymes. The glucosyl unit in the -1 site is distorted from the usual chair conformation in both structures. The IBXG ligand binds in the -2 to +1 sites, with the xylosyl unit in the -1 site where it adopts the energetically favourable chair conformation. The -1 site glucosyl of the (Glc)(2)-S-(Glc)(2) ligand is unable to take on this conformation because of steric clashes with the protein. The crystallographic results show that one of the tunnel-forming loops in Cel6A is sensitive to modifications at the active site, and is able to take on a number of different conformations. One of the conformational changes disrupts a set of interactions at the active site that we propose is an integral part of the reaction mechanism.
-
-	Crystallographic evidence for substrate ring distortion and protein conformational changes during catalysis in cellobiohydrolase Ce16A from trichoderma reesei.,Zou J, Kleywegt GJ, Stahlberg J, Driguez H, Nerinckx W, Claeyssens M, Koivula A, Teeri TT, Jones TA Structure. 1999 Sep 15;7(9):1035-45. PMID:10508787<ref>PMID:10508787</ref>
-
-	From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
-	</div>
-	<div class="pdbe-citations 1qk0" style="background-color:#fffaf0;"></div>

	==See Also==		==See Also==
	*[[Cellobiohydrolase 3D structures\|Cellobiohydrolase 3D structures]]		*[[Cellobiohydrolase 3D structures\|Cellobiohydrolase 3D structures]]
-	== References ==
-	<references/>
	__TOC__		__TOC__
	</StructureSection>		</StructureSection>
-	[[Category: Atcc 13631]]
	[[Category: Large Structures]]		[[Category: Large Structures]]
-	[[Category: ~~Jones, T A~~]]	+	[[Category: Trichoderma reesei]]
-	[[Category: ~~Zou, J Y~~]]	+	[[Category: Jones TA]]
-	[[Category: ~~Glycoprotein]]~~	+	[[Category: Zou J-Y]]
-	~~[[Category: Glycosidase]]~~	+
-	~~[[Category: Hydrolase~~]]	+

OCA at 09:58, 15 September 2021

OCA — Wed, 15 Sep 2021 09:58:13 GMT

←Older revision		Revision as of 09:58, 15 September 2021
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	<StructureSection load='1qk0' size='340' side='right'caption='[[1qk0]], [[Resolution\|resolution]] 2.10Å' scene=''>		<StructureSection load='1qk0' size='340' side='right'caption='[[1qk0]], [[Resolution\|resolution]] 2.10Å' scene=''>
	== Structural highlights ==		== Structural highlights ==
-	<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [~~http~~://en.wikipedia.org/wiki/Atcc_13631 Atcc 13631]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [~~http~~://~~oca~~.~~weizmann.ac.il/oca-docs~~/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>	+	<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Atcc_13631 Atcc 13631]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>
-	</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=IOB:3-IODO-BENZYL+ALCOHOL'>IOB</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=~~XYP~~:~~BETA-D-~~XYLOPYRANOSE'>~~XYP~~</scene>, <scene name='pdbligand=~~XYS~~:XYLOPYRANOSE'>~~XYS~~</scene></td></tr>	+	</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=IOB:3-IODO-BENZYL+ALCOHOL'>IOB</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=XYS:XYLOPYRANOSE'>XYS</scene>, <scene name='pdbligand=XYP:BETA-D-XYLOPYRANOSE'>XYP</scene></td></tr>
-	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[~~http~~://en.wikipedia.org/wiki/Cellulose_1,4-beta-cellobiosidase_(non-reducing_end) Cellulose 1,4-beta-cellobiosidase (non-reducing end)], with EC number [~~http~~://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.91 3.2.1.91] </span></td></tr>	+	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Cellulose_1,4-beta-cellobiosidase_(non-reducing_end) Cellulose 1,4-beta-cellobiosidase (non-reducing end)], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.91 3.2.1.91] </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=1qk0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk0 OCA], [~~http~~://pdbe.org/1qk0 PDBe], [~~http~~://www.rcsb.org/pdb/explore.do?structureId=1qk0 RCSB], [~~http~~://www.ebi.ac.uk/pdbsum/1qk0 PDBsum], [~~http~~://prosat.h-its.org/prosat/prosatexe?pdbcode=1qk0 ProSAT]</span></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=1qk0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk0 OCA], [https://pdbe.org/1qk0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1qk0 RCSB], [https://www.ebi.ac.uk/pdbsum/1qk0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1qk0 ProSAT]</span></td></tr>
	</table>		</table>
	== Function ==		== Function ==
-	[[~~http~~://www.uniprot.org/uniprot/GUX2_HYPJE GUX2_HYPJE]] The biological conversion of cellulose to glucose generally requires three types of hydrolytic enzymes: (1) Endoglucanases which cut internal beta-1,4-glucosidic bonds; (2) Exocellobiohydrolases that cut the dissaccharide cellobiose from the non-reducing end of the cellulose polymer chain; (3) Beta-1,4-glucosidases which hydrolyze the cellobiose and other short cello-oligosaccharides to glucose.	+	[[https://www.uniprot.org/uniprot/GUX2_HYPJE GUX2_HYPJE]] The biological conversion of cellulose to glucose generally requires three types of hydrolytic enzymes: (1) Endoglucanases which cut internal beta-1,4-glucosidic bonds; (2) Exocellobiohydrolases that cut the dissaccharide cellobiose from the non-reducing end of the cellulose polymer chain; (3) Beta-1,4-glucosidases which hydrolyze the cellobiose and other short cello-oligosaccharides to glucose.
	== Evolutionary Conservation ==		== Evolutionary Conservation ==
	[[Image:Consurf_key_small.gif\|200px\|right]]		[[Image:Consurf_key_small.gif\|200px\|right]]

OCA at 07:10, 23 October 2019

OCA — Wed, 23 Oct 2019 07:10:02 GMT

←Older revision		Revision as of 07:10, 23 October 2019
Line 1:		Line 1:

	==CEL6A WITH A NON-HYDROLYSABLE CELLOTETRAOSE==		==CEL6A WITH A NON-HYDROLYSABLE CELLOTETRAOSE==
-	<StructureSection load='1qk0' size='340' side='right' caption='[[1qk0]], [[Resolution\|resolution]] 2.10Å' scene=''>	+	<StructureSection load='1qk0' size='340' side='right'caption='[[1qk0]], [[Resolution\|resolution]] 2.10Å' scene=''>
	== Structural highlights ==		== Structural highlights ==
	<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Atcc_13631 Atcc 13631]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>		<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Atcc_13631 Atcc 13631]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>
Line 29:		Line 29:
	</div>		</div>
	<div class="pdbe-citations 1qk0" style="background-color:#fffaf0;"></div>		<div class="pdbe-citations 1qk0" style="background-color:#fffaf0;"></div>
		+
		+	==See Also==
		+	*[[Cellobiohydrolase 3D structures\|Cellobiohydrolase 3D structures]]
	== References ==		== References ==
	<references/>		<references/>
Line 34:		Line 37:
	</StructureSection>		</StructureSection>
	[[Category: Atcc 13631]]		[[Category: Atcc 13631]]
		+	[[Category: Large Structures]]
	[[Category: Jones, T A]]		[[Category: Jones, T A]]
	[[Category: Zou, J Y]]		[[Category: Zou, J Y]]

OCA at 08:10, 24 February 2018

OCA — Sat, 24 Feb 2018 08:10:46 GMT

←Older revision		Revision as of 08:10, 24 February 2018
Line 1:		Line 1:
-	==CEL6A ~~(Y169F)~~ WITH A NON-HYDROLYSABLE CELLOTETRAOSE==	+
		+	==CEL6A WITH A NON-HYDROLYSABLE CELLOTETRAOSE==
	<StructureSection load='1qk0' size='340' side='right' caption='[[1qk0]], [[Resolution\|resolution]] 2.10Å' scene=''>		<StructureSection load='1qk0' size='340' side='right' caption='[[1qk0]], [[Resolution\|resolution]] 2.10Å' scene=''>
	== Structural highlights ==		== Structural highlights ==
	<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Atcc_13631 Atcc 13631]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>		<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Atcc_13631 Atcc 13631]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>
-	</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=IOB:3-IODO-BENZYL+ALCOHOL'>IOB</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=~~XYS~~:XYLOPYRANOSE'>~~XYS~~</scene>, <scene name='pdbligand=~~XYP~~:~~BETA-D-~~XYLOPYRANOSE'>~~XYP~~</scene></td></tr>	+	</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=IOB:3-IODO-BENZYL+ALCOHOL'>IOB</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=XYP:BETA-D-XYLOPYRANOSE'>XYP</scene>, <scene name='pdbligand=XYS:XYLOPYRANOSE'>XYS</scene></td></tr>
	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Cellulose_1,4-beta-cellobiosidase_(non-reducing_end) Cellulose 1,4-beta-cellobiosidase (non-reducing end)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.91 3.2.1.91] </span></td></tr>		<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Cellulose_1,4-beta-cellobiosidase_(non-reducing_end) Cellulose 1,4-beta-cellobiosidase (non-reducing end)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.91 3.2.1.91] </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=1qk0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk0 OCA], [http://pdbe.org/1qk0 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1qk0 RCSB], [http://www.ebi.ac.uk/pdbsum/1qk0 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=1qk0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk0 OCA], [http://pdbe.org/1qk0 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1qk0 RCSB], [http://www.ebi.ac.uk/pdbsum/1qk0 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1qk0 ProSAT]</span></td></tr>
	</table>		</table>
	== Function ==		== Function ==
Line 13:		Line 14:
	Check<jmol>		Check<jmol>
	<jmolCheckbox>		<jmolCheckbox>
-	<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/qk/1qk0_consurf.spt"</scriptWhenChecked>	+	<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/qk/1qk0_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/~~chain_selection~~.php?pdb_ID=~~2ata~~ ConSurf].	+	</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=1qk0 ConSurf].
	<div style="clear:both"></div>		<div style="clear:both"></div>
	<div style="background-color:#fffaf0;">		<div style="background-color:#fffaf0;">
Line 28:		Line 29:
	</div>		</div>
	<div class="pdbe-citations 1qk0" style="background-color:#fffaf0;"></div>		<div class="pdbe-citations 1qk0" style="background-color:#fffaf0;"></div>
-
-	==See Also==
-	*[[Cellobiohydrolase\|Cellobiohydrolase]]
	== References ==		== References ==
	<references/>		<references/>

OCA at 18:47, 27 January 2016

OCA — Wed, 27 Jan 2016 18:47:00 GMT

←Older revision		Revision as of 18:47, 27 January 2016
Line 1:		Line 1:
-	==CEL6A ~~IN COMPLEX WITH M-IODOBENZYL BETA-D-GLUCOPYRANOSYL-BETA~~(~~1,4~~)-~~D-XYLOPYRANOSIDE~~==	+	==CEL6A (Y169F) WITH A NON-HYDROLYSABLE CELLOTETRAOSE==
	<StructureSection load='1qk0' size='340' side='right' caption='[[1qk0]], [[Resolution\|resolution]] 2.10Å' scene=''>		<StructureSection load='1qk0' size='340' side='right' caption='[[1qk0]], [[Resolution\|resolution]] 2.10Å' scene=''>
	== Structural highlights ==		== Structural highlights ==
	<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Atcc_13631 Atcc 13631]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>		<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Atcc_13631 Atcc 13631]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>
	</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=IOB:3-IODO-BENZYL+ALCOHOL'>IOB</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=XYS:XYLOPYRANOSE'>XYS</scene>, <scene name='pdbligand=XYP:BETA-D-XYLOPYRANOSE'>XYP</scene></td></tr>		</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=IOB:3-IODO-BENZYL+ALCOHOL'>IOB</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=XYS:XYLOPYRANOSE'>XYS</scene>, <scene name='pdbligand=XYP:BETA-D-XYLOPYRANOSE'>XYP</scene></td></tr>
-	<tr id='related'><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat">[[3cbh\|3cbh]], [[1cb2\|1cb2]], [[1qjw\|1qjw]], [[1qk2\|1qk2]]</td></tr>
	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Cellulose_1,4-beta-cellobiosidase_(non-reducing_end) Cellulose 1,4-beta-cellobiosidase (non-reducing end)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.91 3.2.1.91] </span></td></tr>		<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Cellulose_1,4-beta-cellobiosidase_(non-reducing_end) Cellulose 1,4-beta-cellobiosidase (non-reducing end)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.91 3.2.1.91] </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=1qk0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk0 OCA], [http://pdbe.org/1qk0 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1qk0 RCSB], [http://www.ebi.ac.uk/pdbsum/1qk0 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=1qk0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk0 OCA], [http://pdbe.org/1qk0 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1qk0 RCSB], [http://www.ebi.ac.uk/pdbsum/1qk0 PDBsum]</span></td></tr>
Line 22:		Line 21:
	<div style="background-color:#fffaf0;">		<div style="background-color:#fffaf0;">
	== Publication Abstract from PubMed ==		== Publication Abstract from PubMed ==
-	The ~~enzymatic degradation~~ of ~~cellulose~~ is ~~an important process~~, ~~both ecologically and commercially~~. ~~The~~ three~~-dimensional~~ structure of a ~~cellulase~~, the ~~enzymatic core~~ of ~~CBHII from~~ the ~~fungus Trichoderma reesei reveals~~ an ~~alpha~~-~~beta protein~~ with ~~a fold similar~~ to ~~but different~~ from the ~~widely occurring barrel topology first observed~~ in ~~triose phosphate isomerase~~. The ~~active~~ site of ~~CBHII is located at~~ the ~~carboxyl~~-~~terminal end~~ of ~~a parallel beta barrel, in an enclosed tunnel through which~~ the ~~cellulose threads~~. ~~Two aspartic acid residues, located~~ in the ~~center~~ of the ~~tunnel are~~ the ~~probable catalytic residues~~.	+	BACKGROUND: Cel6A is one of the two cellobiohydrolases produced by Trichoderma reesei. The catalytic core has a structure that is a variation of the classic TIM barrel. The active site is located inside a tunnel, the roof of which is formed mainly by a pair of loops. RESULTS: We describe three new ligand complexes. One is the structure of the wild-type enzyme in complex with a nonhydrolysable cello-oligosaccharide, methyl 4-S-beta-cellobiosyl-4-thio-beta-cellobioside (Glc)(2)-S-(Glc)(2), which differs from a cellotetraose in the nature of the central glycosidic linkage where a sulphur atom replaces an oxygen atom. The second structure is a mutant, Y169F, in complex with the same ligand, and the third is the wild-type enzyme in complex with m-iodobenzyl beta-D-glucopyranosyl-beta(1,4)-D-xylopyranoside (IBXG). CONCLUSIONS: The (Glc)(2)-S-(Glc)(2) ligand binds in the -2 to +2 sites in both the wild-type and mutant enzymes. The glucosyl unit in the -1 site is distorted from the usual chair conformation in both structures. The IBXG ligand binds in the -2 to +1 sites, with the xylosyl unit in the -1 site where it adopts the energetically favourable chair conformation. The -1 site glucosyl of the (Glc)(2)-S-(Glc)(2) ligand is unable to take on this conformation because of steric clashes with the protein. The crystallographic results show that one of the tunnel-forming loops in Cel6A is sensitive to modifications at the active site, and is able to take on a number of different conformations. One of the conformational changes disrupts a set of interactions at the active site that we propose is an integral part of the reaction mechanism.

-	~~Three-dimensional structure of~~ cellobiohydrolase II from ~~Trichoderma~~ reesei.,~~Rouvinen~~ J, ~~Bergfors T~~, ~~Teeri T~~, ~~Knowles JK~~, Jones TA ~~Science~~. ~~1990 Jul 27~~;~~249~~(~~4967~~):~~380~~-6. PMID:~~2377893~~<ref>PMID:~~2377893~~</ref>	+	Crystallographic evidence for substrate ring distortion and protein conformational changes during catalysis in cellobiohydrolase Ce16A from trichoderma reesei.,Zou J, Kleywegt GJ, Stahlberg J, Driguez H, Nerinckx W, Claeyssens M, Koivula A, Teeri TT, Jones TA Structure. 1999 Sep 15;7(9):1035-45. PMID:10508787<ref>PMID:10508787</ref>

	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>

OCA at 12:12, 11 September 2015

OCA — Fri, 11 Sep 2015 12:12:59 GMT

←Older revision		Revision as of 12:12, 11 September 2015
Line 2:		Line 2:
	<StructureSection load='1qk0' size='340' side='right' caption='[[1qk0]], [[Resolution\|resolution]] 2.10Å' scene=''>		<StructureSection load='1qk0' size='340' side='right' caption='[[1qk0]], [[Resolution\|resolution]] 2.10Å' scene=''>
	== Structural highlights ==		== Structural highlights ==
-	<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/~~Trichoderma_reesei Trichoderma reesei~~]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>	+	<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Atcc_13631 Atcc 13631]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>
	</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=IOB:3-IODO-BENZYL+ALCOHOL'>IOB</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=XYS:XYLOPYRANOSE'>XYS</scene>, <scene name='pdbligand=XYP:BETA-D-XYLOPYRANOSE'>XYP</scene></td></tr>		</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=IOB:3-IODO-BENZYL+ALCOHOL'>IOB</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=XYS:XYLOPYRANOSE'>XYS</scene>, <scene name='pdbligand=XYP:BETA-D-XYLOPYRANOSE'>XYP</scene></td></tr>
	<tr id='related'><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat">[[3cbh\|3cbh]], [[1cb2\|1cb2]], [[1qjw\|1qjw]], [[1qk2\|1qk2]]</td></tr>		<tr id='related'><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat">[[3cbh\|3cbh]], [[1cb2\|1cb2]], [[1qjw\|1qjw]], [[1qk2\|1qk2]]</td></tr>
-	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Cellulose_1,4-beta-~~cellobiosidase~~ Cellulose 1,4-beta-cellobiosidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.91 3.2.1.91] </span></td></tr>	+	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Cellulose_1,4-beta-cellobiosidase_(non-reducing_end) Cellulose 1,4-beta-cellobiosidase (non-reducing end)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.91 3.2.1.91] </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=1qk0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk0 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1qk0 RCSB], [http://www.ebi.ac.uk/pdbsum/1qk0 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=1qk0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk0 OCA], [http://pdbe.org/1qk0 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1qk0 RCSB], [http://www.ebi.ac.uk/pdbsum/1qk0 PDBsum]</span></td></tr>
	</table>		</table>
	== Function ==		== Function ==
-	[[http://www.uniprot.org/uniprot/~~GUX2_TRIRE GUX2_TRIRE~~]] The biological conversion of cellulose to glucose generally requires three types of hydrolytic enzymes: (1) Endoglucanases which cut internal beta-1,4-glucosidic bonds; (2) Exocellobiohydrolases that cut the dissaccharide cellobiose from the non-reducing end of the cellulose polymer chain; (3) Beta-1,4-glucosidases which hydrolyze the cellobiose and other short cello-oligosaccharides to glucose.	+	[[http://www.uniprot.org/uniprot/GUX2_HYPJE GUX2_HYPJE]] The biological conversion of cellulose to glucose generally requires three types of hydrolytic enzymes: (1) Endoglucanases which cut internal beta-1,4-glucosidic bonds; (2) Exocellobiohydrolases that cut the dissaccharide cellobiose from the non-reducing end of the cellulose polymer chain; (3) Beta-1,4-glucosidases which hydrolyze the cellobiose and other short cello-oligosaccharides to glucose.
	== Evolutionary Conservation ==		== Evolutionary Conservation ==
	[[Image:Consurf_key_small.gif\|200px\|right]]		[[Image:Consurf_key_small.gif\|200px\|right]]
Line 28:		Line 28:
	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 1qk0" style="background-color:#fffaf0;"></div>

	==See Also==		==See Also==
Line 35:		Line 36:
	__TOC__		__TOC__
	</StructureSection>		</StructureSection>
-	[[Category: ~~Cellulose 1,4-beta-cellobiosidase]]~~	+	[[Category: Atcc 13631]]
-	~~[[Category: Trichoderma reesei~~]]	+
	[[Category: Jones, T A]]		[[Category: Jones, T A]]
	[[Category: Zou, J Y]]		[[Category: Zou, J Y]]

OCA at 16:17, 25 December 2014

OCA — Thu, 25 Dec 2014 16:17:39 GMT

←Older revision		Revision as of 16:17, 25 December 2014
Line 3:		Line 3:
	== Structural highlights ==		== Structural highlights ==
	<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Trichoderma_reesei Trichoderma reesei]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>		<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Trichoderma_reesei Trichoderma reesei]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>
-	</td></tr><tr><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=IOB:3-IODO-BENZYL+ALCOHOL'>IOB</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=XYS:XYLOPYRANOSE'>XYS</scene>, <scene name='pdbligand=XYP:BETA-D-XYLOPYRANOSE'>XYP</scene><br>	+	</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=IOB:3-IODO-BENZYL+ALCOHOL'>IOB</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=XYS:XYLOPYRANOSE'>XYS</scene>, <scene name='pdbligand=XYP:BETA-D-XYLOPYRANOSE'>XYP</scene></td></tr>
-	<tr><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat">[[3cbh\|3cbh]], [[1cb2\|1cb2]], [[1qjw\|1qjw]], [[1qk2\|1qk2]]</td></tr>	+	<tr id='related'><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat">[[3cbh\|3cbh]], [[1cb2\|1cb2]], [[1qjw\|1qjw]], [[1qk2\|1qk2]]</td></tr>
-	<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Cellulose_1,4-beta-cellobiosidase Cellulose 1,4-beta-cellobiosidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.91 3.2.1.91] </span></td></tr>	+	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Cellulose_1,4-beta-cellobiosidase Cellulose 1,4-beta-cellobiosidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.91 3.2.1.91] </span></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=1qk0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk0 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1qk0 RCSB], [http://www.ebi.ac.uk/pdbsum/1qk0 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=1qk0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk0 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1qk0 RCSB], [http://www.ebi.ac.uk/pdbsum/1qk0 PDBsum]</span></td></tr>
-	<table>	+	</table>
		+	== Function ==
		+	[[http://www.uniprot.org/uniprot/GUX2_TRIRE GUX2_TRIRE]] The biological conversion of cellulose to glucose generally requires three types of hydrolytic enzymes: (1) Endoglucanases which cut internal beta-1,4-glucosidic bonds; (2) Exocellobiohydrolases that cut the dissaccharide cellobiose from the non-reducing end of the cellulose polymer chain; (3) Beta-1,4-glucosidases which hydrolyze the cellobiose and other short cello-oligosaccharides to glucose.
	== Evolutionary Conservation ==		== Evolutionary Conservation ==
	[[Image:Consurf_key_small.gif\|200px\|right]]		[[Image:Consurf_key_small.gif\|200px\|right]]
Line 35:		Line 37:
	[[Category: Cellulose 1,4-beta-cellobiosidase]]		[[Category: Cellulose 1,4-beta-cellobiosidase]]
	[[Category: Trichoderma reesei]]		[[Category: Trichoderma reesei]]
-	[[Category: Jones, T A.]]	+	[[Category: Jones, T A]]
-	[[Category: Zou, J Y.]]	+	[[Category: Zou, J Y]]
	[[Category: Glycoprotein]]		[[Category: Glycoprotein]]
	[[Category: Glycosidase]]		[[Category: Glycosidase]]
	[[Category: Hydrolase]]		[[Category: Hydrolase]]

OCA at 21:05, 28 September 2014

OCA — Sun, 28 Sep 2014 21:05:05 GMT

←Older revision		Revision as of 21:05, 28 September 2014
Line 1:		Line 1:
-	[[~~Image:~~1qk0.~~png~~\|~~left~~\|200px]]	+	==CEL6A IN COMPLEX WITH M-IODOBENZYL BETA-D-GLUCOPYRANOSYL-BETA(1,4)-D-XYLOPYRANOSIDE==
		+	<StructureSection load='1qk0' size='340' side='right' caption='[[1qk0]], [[Resolution\|resolution]] 2.10Å' scene=''>
		+	== Structural highlights ==
		+	<table><tr><td colspan='2'>[[1qk0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Trichoderma_reesei Trichoderma reesei]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1QK0 FirstGlance]. <br>
		+	</td></tr><tr><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=IOB:3-IODO-BENZYL+ALCOHOL'>IOB</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=XYS:XYLOPYRANOSE'>XYS</scene>, <scene name='pdbligand=XYP:BETA-D-XYLOPYRANOSE'>XYP</scene><br>
		+	<tr><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat">[[3cbh\|3cbh]], [[1cb2\|1cb2]], [[1qjw\|1qjw]], [[1qk2\|1qk2]]</td></tr>
		+	<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Cellulose_1,4-beta-cellobiosidase Cellulose 1,4-beta-cellobiosidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.91 3.2.1.91] </span></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=1qk0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qk0 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1qk0 RCSB], [http://www.ebi.ac.uk/pdbsum/1qk0 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/qk/1qk0_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 enzymatic degradation of cellulose is an important process, both ecologically and commercially. The three-dimensional structure of a cellulase, the enzymatic core of CBHII from the fungus Trichoderma reesei reveals an alpha-beta protein with a fold similar to but different from the widely occurring barrel topology first observed in triose phosphate isomerase. The active site of CBHII is located at the carboxyl-terminal end of a parallel beta barrel, in an enclosed tunnel through which the cellulose threads. Two aspartic acid residues, located in the center of the tunnel are the probable catalytic residues.

-	~~{{STRUCTURE_1qk0\| PDB=1qk0 \| SCENE= }}~~	+	Three-dimensional structure of cellobiohydrolase II from Trichoderma reesei.,Rouvinen J, Bergfors T, Teeri T, Knowles JK, Jones TA Science. 1990 Jul 27;249(4967):380-6. PMID:2377893<ref>PMID:2377893</ref>

-	~~===CEL6A IN COMPLEX WITH M-IODOBENZYL BETA-D-GLUCOPYRANOSYL-BETA(1~~,~~4)-D-XYLOPYRANOSIDE===~~	+	From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
-		+	</div>
-	~~{{ABSTRACT_PUBMED_2377893}}~~	+
-		+
-	~~==About this Structure==~~	+
-	~~[[1qk0]] is~~ a ~~2 chain structure with sequence from [http://en~~.~~wikipedia~~.~~org/wiki/Trichoderma_reesei Trichoderma reesei]~~. ~~Full crystallographic information is available from [http:~~/~~/oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA].~~	+

	==See Also==		==See Also==
	*[[Cellobiohydrolase\|Cellobiohydrolase]]		*[[Cellobiohydrolase\|Cellobiohydrolase]]
-		+	== References ==
-	==~~Reference~~==	+	<references/>
-	<~~ref group="xtra">PMID:002377893<~~/~~ref~~><~~references group="xtra"~~/>	+	__TOC__
		+	</StructureSection>
	[[Category: Cellulose 1,4-beta-cellobiosidase]]		[[Category: Cellulose 1,4-beta-cellobiosidase]]
	[[Category: Trichoderma reesei]]		[[Category: Trichoderma reesei]]

OCA at 18:48, 20 October 2012

OCA — Sat, 20 Oct 2012 18:48:31 GMT

←Older revision		Revision as of 18:48, 20 October 2012
Line 8:		Line 8:

	==About this Structure==		==About this Structure==
-	[[1qk0]] is a 2 chain structure ~~of [[Cellobiohydrolase]]~~ with sequence from [http://en.wikipedia.org/wiki/Trichoderma_reesei Trichoderma reesei]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA].	+	[[1qk0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Trichoderma_reesei Trichoderma reesei]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA].

	==See Also==		==See Also==
Line 14:		Line 14:

	==Reference==		==Reference==
-	<ref group="xtra">PMID:002377893~~</ref><ref group="xtra">PMID:010508787~~</ref><references group="xtra"/>	+	<ref group="xtra">PMID:002377893</ref><references group="xtra"/>
	[[Category: Cellulose 1,4-beta-cellobiosidase]]		[[Category: Cellulose 1,4-beta-cellobiosidase]]
	[[Category: Trichoderma reesei]]		[[Category: Trichoderma reesei]]

OCA at 05:18, 27 July 2012

OCA — Fri, 27 Jul 2012 05:18:20 GMT

←Older revision		Revision as of 05:18, 27 July 2012
Line 1:		Line 1:
	[[Image:1qk0.png\|left\|200px]]		[[Image:1qk0.png\|left\|200px]]

-	<!--
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-	You may change the PDB parameter (which sets the PDB file loaded into the applet)
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	{{STRUCTURE_1qk0\| PDB=1qk0 \| SCENE= }}		{{STRUCTURE_1qk0\| PDB=1qk0 \| SCENE= }}

	===CEL6A IN COMPLEX WITH M-IODOBENZYL BETA-D-GLUCOPYRANOSYL-BETA(1,4)-D-XYLOPYRANOSIDE===		===CEL6A IN COMPLEX WITH M-IODOBENZYL BETA-D-GLUCOPYRANOSYL-BETA(1,4)-D-XYLOPYRANOSIDE===

-
-	<!--
-	The line below this paragraph, {{ABSTRACT_PUBMED_2377893}}, adds the Publication Abstract to the page
-	(as it appears on PubMed at http://www.pubmed.gov), where 2377893 is the PubMed ID number.
-	-->
	{{ABSTRACT_PUBMED_2377893}}		{{ABSTRACT_PUBMED_2377893}}

	==About this Structure==		==About this Structure==
-	[[1qk0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/~~Hypocrea_jecorina Hypocrea jecorina~~]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA].	+	[[1qk0]] is a 2 chain structure of [[Cellobiohydrolase]] with sequence from [http://en.wikipedia.org/wiki/Trichoderma_reesei Trichoderma reesei]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QK0 OCA].
		+
		+	==See Also==
		+	*[[Cellobiohydrolase\|Cellobiohydrolase]]

	==Reference==		==Reference==
-	<ref group="xtra">PMID:~~2377893~~</ref><references group="xtra"/>	+	<ref group="xtra">PMID:002377893</ref><ref group="xtra">PMID:010508787</ref><references group="xtra"/>
	[[Category: Cellulose 1,4-beta-cellobiosidase]]		[[Category: Cellulose 1,4-beta-cellobiosidase]]
-	[[Category: ~~Hypocrea jecorina~~]]	+	[[Category: Trichoderma reesei]]
	[[Category: Jones, T A.]]		[[Category: Jones, T A.]]
	[[Category: Zou, J Y.]]		[[Category: Zou, J Y.]]