2zew
From Proteopedia
(New page: 200px<br /><applet load="2zew" size="350" color="white" frame="true" align="right" spinBox="true" caption="2zew, resolution 1.40Å" /> '''Family 16 Cabohydrat...) |
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| - | [[Image:2zew.jpg|left|200px]] | + | [[Image:2zew.jpg|left|200px]] |
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| - | '''Family 16 Cabohydrate Binding Domain Module 1''' | + | {{Structure |
| + | |PDB= 2zew |SIZE=350|CAPTION= <scene name='initialview01'>2zew</scene>, resolution 1.40Å | ||
| + | |SITE= <scene name='pdbsite=AC1:Ca+Binding+Site+For+Residue+A+147'>AC1</scene> and <scene name='pdbsite=AC2:Ca+Binding+Site+For+Residue+B+147'>AC2</scene> | ||
| + | |LIGAND= <scene name='pdbligand=CA:CALCIUM ION'>CA</scene> | ||
| + | |ACTIVITY= | ||
| + | |GENE= celA ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=44256 Thermoanaerobacterium polysaccharolyticum]) | ||
| + | }} | ||
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| + | '''Family 16 Cabohydrate Binding Domain Module 1''' | ||
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==Overview== | ==Overview== | ||
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==About this Structure== | ==About this Structure== | ||
| - | 2ZEW is a [ | + | 2ZEW is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Thermoanaerobacterium_polysaccharolyticum Thermoanaerobacterium polysaccharolyticum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ZEW OCA]. |
==Reference== | ==Reference== | ||
| - | Molecular basis for the selectivity and specificity of ligand recognition by the family 16 carbohydrate binding modules from thermoanaerobacterium polysaccharolyticum manA., Bae B, Ohene-Adjei S, Kocherginskaya S, Mackie RI, Spies MA, Cann IK, Nair SK, J Biol Chem. 2007 Nov 29;. PMID:[http:// | + | Molecular basis for the selectivity and specificity of ligand recognition by the family 16 carbohydrate binding modules from thermoanaerobacterium polysaccharolyticum manA., Bae B, Ohene-Adjei S, Kocherginskaya S, Mackie RI, Spies MA, Cann IK, Nair SK, J Biol Chem. 2007 Nov 29;. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/18025086 18025086] |
[[Category: Single protein]] | [[Category: Single protein]] | ||
[[Category: Thermoanaerobacterium polysaccharolyticum]] | [[Category: Thermoanaerobacterium polysaccharolyticum]] | ||
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[[Category: hydrolase]] | [[Category: hydrolase]] | ||
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 18:54:00 2008'' |
Revision as of 16:54, 20 March 2008
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| , resolution 1.40Å | |||||||
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| Sites: | and | ||||||
| Ligands: | |||||||
| Gene: | celA (Thermoanaerobacterium polysaccharolyticum) | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
Family 16 Cabohydrate Binding Domain Module 1
Overview
Enzymes that hydrolyze complex polysaccharides into simple sugars are modular in architecture and consist of single or multiple catalytic domains fused to targeting modules called carbohydrate binding modules (CBMs). CBMs bind to their ligands with high affinity, and increase the efficiency of the catalytic components by targeting the enzymes to its substrate. Here, we utilized a multi-disciplinary approach to characterize each of the two family 16 carbohydrate binding domain component of the highly active mannanase from the thermophile T. polysaccharolyticum. These represent the first crystal structures of family 16 CBMs. Calorimetric analysis show that while these CBMs demonstrate high specificity towards ss-1,4 linked sugars, they can engage both cello- and manno-polysaccharides. In order to elucidate the molecular basis for this specificity and selectivity, we have determined high resolution crystal structures of each of the two carbohydrate binding modules, as well as of binary complexes of CBM16-1 bound to either mannopentaose or cellopentaose. These results provide detailed molecular insights into ligand recognition and yield a framework for rational engineering experiments designed to expand the natural repertoire of these targeting modules.
About this Structure
2ZEW is a Single protein structure of sequence from Thermoanaerobacterium polysaccharolyticum. Full crystallographic information is available from OCA.
Reference
Molecular basis for the selectivity and specificity of ligand recognition by the family 16 carbohydrate binding modules from thermoanaerobacterium polysaccharolyticum manA., Bae B, Ohene-Adjei S, Kocherginskaya S, Mackie RI, Spies MA, Cann IK, Nair SK, J Biol Chem. 2007 Nov 29;. PMID:18025086
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