1ga2
From Proteopedia
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'''THE CRYSTAL STRUCTURE OF ENDOGLUCANASE 9G FROM CLOSTRIDIUM CELLULOLYTICUM COMPLEXED WITH CELLOBIOSE''' | '''THE CRYSTAL STRUCTURE OF ENDOGLUCANASE 9G FROM CLOSTRIDIUM CELLULOLYTICUM COMPLEXED WITH CELLOBIOSE''' | ||
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[[Category: Haser, R.]] | [[Category: Haser, R.]] | ||
[[Category: Mandelman, D.]] | [[Category: Mandelman, D.]] | ||
| - | [[Category: | + | [[Category: Cellobiose complex]] |
| - | + | [[Category: Cellulase 9g]] | |
| - | [[Category: | + | [[Category: Cellulose binding domain]] |
| - | [[Category: | + | [[Category: Endoglucanase]] |
| - | [[Category: | + | [[Category: X-ray diffraction]] |
| - | [[Category: | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 17:20:08 2008'' |
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| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | |
Revision as of 14:20, 2 May 2008
THE CRYSTAL STRUCTURE OF ENDOGLUCANASE 9G FROM CLOSTRIDIUM CELLULOLYTICUM COMPLEXED WITH CELLOBIOSE
Overview
Complete cellulose degradation is the first step in the use of biomass as a source of renewable energy. To this end, the engineering of novel cellulase activity, the activity responsible for the hydrolysis of the beta-1,4-glycosidic bonds in cellulose, is a topic of great interest. The high-resolution X-ray crystal structure of a multidomain endoglucanase from Clostridium cellulolyticum has been determined at a 1.6-A resolution. The endoglucanase, Cel9G, is comprised of a family 9 catalytic domain attached to a family III(c) cellulose-binding domain. The two domains together form a flat platform onto which crystalline cellulose is suggested to bind and be fed into the active-site cleft for endolytic hydrolysis. To further dissect the structural basis of cellulose binding and hydrolysis, the structures of Cel9G in the presence of cellobiose, cellotriose, and a DP-10 thio-oligosaccharide inhibitor were resolved at resolutions of 1.7, 1.8, and 1.9 A, respectively.
About this Structure
1GA2 is a Single protein structure of sequence from Clostridium cellulolyticum. Full crystallographic information is available from OCA.
Reference
X-Ray crystal structure of the multidomain endoglucanase Cel9G from Clostridium cellulolyticum complexed with natural and synthetic cello-oligosaccharides., Mandelman D, Belaich A, Belaich JP, Aghajari N, Driguez H, Haser R, J Bacteriol. 2003 Jul;185(14):4127-35. PMID:12837787 Page seeded by OCA on Fri May 2 17:20:08 2008
