1oh4: Difference between revisions

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[[Image:1oh4.jpg|left|200px]]
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{{STRUCTURE_1oh4|  PDB=1oh4  |  SCENE=  }}
'''STRUCTURAL AND THERMODYNAMIC DISSECTION OF SPECIFIC MANNAN RECOGNITION BY A CARBOHYDRATE-BINDING MODULE'''


==Structural and thermodynamic dissection of specific mannan recognition by a carbohydrate-binding module==
<StructureSection load='1oh4' size='340' side='right'caption='[[1oh4]], [[Resolution|resolution]] 1.35&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1oh4]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermotoga_maritima_MSB8 Thermotoga maritima MSB8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OH4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1OH4 FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.35&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=GLA:ALPHA+D-GALACTOSE'>GLA</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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=1oh4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1oh4 OCA], [https://pdbe.org/1oh4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1oh4 RCSB], [https://www.ebi.ac.uk/pdbsum/1oh4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1oh4 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/Q9RIK9_THEMT Q9RIK9_THEMT]
== 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/oh/1oh4_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=1oh4 ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The C-terminal 176 amino acids of a Thermotoga maritima mannanase (Man5) constitute a carbohydrate binding module (CBM) that has been classified into CBM family 27. The isolated CBM27 domain, named TmCBM27, binds tightly (K(a)s 10(5)-10(6) M(-1)) to beta-1, 4-mannooligosaccharides, carob galactomannan, and konjac glucomannan, but not to cellulose (insoluble and soluble) or soluble birchwood xylan. The X-ray crystal structures of native TmCBM27, a TmCBM27-mannohexaose complex, and a TmCBM27-6(3),6(4)-alpha-D-galactosyl-mannopentaose complex at 2.0 A, 1.6 A, and 1.35 A, respectively, reveal the basis of TmCBM27's specificity for mannans. In particular, the latter complex, which is the first structure of a CBM in complex with a branched plant cell wall polysaccharide, illustrates how the architecture of the binding site can influence the recognition of naturally substituted polysaccharides.


==Overview==
Structural and thermodynamic dissection of specific mannan recognition by a carbohydrate binding module, TmCBM27.,Boraston AB, Revett TJ, Boraston CM, Nurizzo D, Davies GJ Structure. 2003 Jun;11(6):665-75. PMID:12791255<ref>PMID:12791255</ref>
The C-terminal 176 amino acids of a Thermotoga maritima mannanase (Man5) constitute a carbohydrate binding module (CBM) that has been classified into CBM family 27. The isolated CBM27 domain, named TmCBM27, binds tightly (K(a)s 10(5)-10(6) M(-1)) to beta-1, 4-mannooligosaccharides, carob galactomannan, and konjac glucomannan, but not to cellulose (insoluble and soluble) or soluble birchwood xylan. The X-ray crystal structures of native TmCBM27, a TmCBM27-mannohexaose complex, and a TmCBM27-6(3),6(4)-alpha-D-galactosyl-mannopentaose complex at 2.0 A, 1.6 A, and 1.35 A, respectively, reveal the basis of TmCBM27's specificity for mannans. In particular, the latter complex, which is the first structure of a CBM in complex with a branched plant cell wall polysaccharide, illustrates how the architecture of the binding site can influence the recognition of naturally substituted polysaccharides.


==About this Structure==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
1OH4 is a [[Single protein]] structure of sequence 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=1OH4 OCA].
</div>
<div class="pdbe-citations 1oh4" style="background-color:#fffaf0;"></div>


==Reference==
==See Also==
Structural and thermodynamic dissection of specific mannan recognition by a carbohydrate binding module, TmCBM27., Boraston AB, Revett TJ, Boraston CM, Nurizzo D, Davies GJ, Structure. 2003 Jun;11(6):665-75. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12791255 12791255]
*[[Mannosidase 3D structures|Mannosidase 3D structures]]
[[Category: Single protein]]
== References ==
[[Category: Thermotoga maritima]]
<references/>
[[Category: Boraston, A B.]]
__TOC__
[[Category: Boraston, C M.]]
</StructureSection>
[[Category: Davies, G J.]]
[[Category: Large Structures]]
[[Category: Nurizzo, D.]]
[[Category: Thermotoga maritima MSB8]]
[[Category: Revett, T J.]]
[[Category: Boraston AB]]
[[Category: Carbohydrate binding module]]
[[Category: Boraston CM]]
[[Category: Glycoside hydrolase]]
[[Category: Davies GJ]]
[[Category: Lectin]]
[[Category: Nurizzo D]]
[[Category: Mannan]]
[[Category: Revett TJ]]
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