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<StructureSection load='3h0o' size='340' side='right'caption='[[3h0o]], [[Resolution|resolution]] 1.40&Aring;' scene=''>
<StructureSection load='3h0o' size='340' side='right'caption='[[3h0o]], [[Resolution|resolution]] 1.40&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[3h0o]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/"ruminobacter_succinogenes"_(hungate_1950)_prevot_1966 "ruminobacter succinogenes" (hungate 1950) prevot 1966]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3H0O OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3H0O FirstGlance]. <br>
<table><tr><td colspan='2'>[[3h0o]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Fibrobacter_succinogenes Fibrobacter succinogenes]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3H0O OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3H0O FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</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]] 1.4&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1mve|1mve]], [[1zm1|1zm1]], [[3hr9|3hr9]]</div></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Licheninase Licheninase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.73 3.2.1.73] </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=3h0o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3h0o OCA], [https://pdbe.org/3h0o PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3h0o RCSB], [https://www.ebi.ac.uk/pdbsum/3h0o PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3h0o 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=3h0o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3h0o OCA], [https://pdbe.org/3h0o PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3h0o RCSB], [https://www.ebi.ac.uk/pdbsum/3h0o PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3h0o ProSAT]</span></td></tr>
</table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/GUB_FIBSS GUB_FIBSS]
== 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=3h0o 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=3h0o ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Fibrobacter succinogenes 1,3-1,4-beta-D-glucanase (Fsbeta-glucanase) catalyzes the specific hydrolysis of beta-1,4 glycosidic bonds adjacent to beta-1,3 linkages in beta-D-glucans or lichenan. This is the first report to elucidate the crystal structure of a truncated Fsbeta-glucanase (TFsbeta-glucanase) in complex with beta-1,3-1,4-cellotriose, a major product of the enzyme reaction. The crystal structures, at a resolution of 2.3 angstroms, reveal that the overall fold of TFsbeta-glucanase remains virtually unchanged upon sugar binding. The enzyme accommodates five glucose residues, forming a concave active cleft. The beta-1,3-1,4-cellotriose with subsites -3 to -1 bound to the active cleft of TFsbeta-glucanase with its reducing end subsite -1 close to the key catalytic residues Glu56 and Glu60. All three subsites of the beta-1,3-1,4-cellotriose adopted a relaxed C(1)4 conformation, with a beta-1,3 glycosidic linkage between subsites -2 and -1, and a beta-1,4 glycosidic linkage between subsites -3 and -2. On the basis of the enzyme-product complex structure observed in this study, a catalytic mechanism and substrate binding conformation of the active site of TFsbeta-glucanase is proposed.
Crystal structure of truncated Fibrobacter succinogenes 1,3-1,4-beta-D-glucanase in complex with beta-1,3-1,4-cellotriose.,Tsai LC, Shyur LF, Cheng YS, Lee SH J Mol Biol. 2005 Dec 2;354(3):642-51. Epub 2005 Sep 30. PMID:16246371<ref>PMID:16246371</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 3h0o" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Glucanase 3D structures|Glucanase 3D structures]]
*[[Glucanase 3D structures|Glucanase 3D structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Fibrobacter succinogenes]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Licheninase]]
[[Category: Hsiao CH]]
[[Category: Hsiao, C H]]
[[Category: Tsai LC]]
[[Category: Tsai, L C]]
[[Category: 3-1]]
[[Category: 4-beta-d-glucanase]]
[[Category: Ch-pi stacking interaction]]
[[Category: Glycosidase]]
[[Category: Hydrolase]]
[[Category: Tris inhibition]]

Latest revision as of 15:46, 1 November 2023

The importance of CH-Pi stacking interactions between carbohydrate and aromatic residues in truncated Fibrobacter succinogenes 1,3-1,4-beta-D-glucanase

3h0o, resolution 1.40Å

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