2j73: Difference between revisions

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{{Seed}}
[[Image:2j73.png|left|200px]]


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==alpha-glucan rcognition by a family 41 carbohydrate-binding module from Thermotoga maritima pullulanase PulA==
The line below this paragraph, containing "STRUCTURE_2j73", creates the "Structure Box" on the page.
<StructureSection load='2j73' size='340' side='right'caption='[[2j73]], [[Resolution|resolution]] 1.40&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)  
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[2j73]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermotoga_maritima Thermotoga maritima]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2J73 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2J73 FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</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>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=PRD_900009:alpha-maltotriose'>PRD_900009</scene></td></tr>
{{STRUCTURE_2j73|  PDB=2j73  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2j73 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2j73 OCA], [https://pdbe.org/2j73 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2j73 RCSB], [https://www.ebi.ac.uk/pdbsum/2j73 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2j73 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/PULA_THEMA PULA_THEMA]
== 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/j7/2j73_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/main_output.php?pdb_ID=2j73 ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Starch recognition by carbohydrate-binding modules (CBMs) is important for the activity of starch-degrading enzymes. The N-terminal family 41 CBM, TmCBM41 (from pullulanase PulA secreted by Thermotoga maritima) was shown to have alpha-glucan binding activity with specificity for alpha-1,4-glucans but was able to tolerate the alpha-1,6-linkages found roughly every three or four glucose units in pullulan. Using X-ray crystallography, the structures were solved for TmCBM41 in an uncomplexed form and in complex with maltotetraose and 6(3)-alpha-D-glucosyl-maltotriose (GM3). Ligand binding was facilitated by stacking interactions between the alpha-faces of the glucose residues and two tryptophan side-chains in the two main subsites of the carbohydrate-binding site. Overall, this mode of starch binding is quite well conserved by other starch-binding modules. The structure in complex with GM3 revealed a third binding subsite with the flexibility to accommodate an alpha-1,4- or an alpha-1,6-linked glucose.


===ALPHA-GLUCAN RCOGNITION BY A FAMILY 41 CARBOHYDRATE-BINDING MODULE FROM THERMOTOGA MARITIMA PULLULANASE PULA===
The structural basis of alpha-glucan recognition by a family 41 carbohydrate-binding module from Thermotoga maritima.,van Bueren AL, Boraston AB J Mol Biol. 2007 Jan 19;365(3):555-60. Epub 2006 Oct 11. PMID:17095014<ref>PMID:17095014</ref>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
The line below this paragraph, {{ABSTRACT_PUBMED_17095014}}, adds the Publication Abstract to the page
<div class="pdbe-citations 2j73" style="background-color:#fffaf0;"></div>
(as it appears on PubMed at http://www.pubmed.gov), where 17095014 is the PubMed ID number.
== References ==
-->
<references/>
{{ABSTRACT_PUBMED_17095014}}
__TOC__
 
</StructureSection>
==About this Structure==
[[Category: Large Structures]]
2J73 is a 2 chains structure of sequences from [http://en.wikipedia.org/wiki/Thermotoga_maritima Thermotoga maritima]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2J73 OCA].
 
==Reference==
<ref group="xtra">PMID:17095014</ref><references group="xtra"/>
[[Category: Pullulanase]]
[[Category: Thermotoga maritima]]
[[Category: Thermotoga maritima]]
[[Category: Boraston, A B.]]
[[Category: Boraston AB]]
[[Category: Bueren, A Lammerts Van.]]
[[Category: Lammerts van Bueren A]]
[[Category: Alpha-glucan binding]]
[[Category: Beta-sandwich fold]]
[[Category: Carbohydrate-binding module]]
[[Category: Glucosyl-maltotriose]]
[[Category: Glycosidase]]
[[Category: Hydrolase]]
[[Category: Thermotoga maritima]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 13:57:49 2009''

Latest revision as of 14:36, 13 December 2023

alpha-glucan rcognition by a family 41 carbohydrate-binding module from Thermotoga maritima pullulanase PulA

2j73, resolution 1.40Å

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