1cec

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[[Image:1cec.gif|left|200px]]
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{{STRUCTURE_1cec| PDB=1cec | SCENE= }}
{{STRUCTURE_1cec| PDB=1cec | SCENE= }}
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'''A COMMON PROTEIN FOLD AND SIMILAR ACTIVE SITE IN TWO DISTINCT FAMILIES OF BETA-GLYCANASES'''
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===A COMMON PROTEIN FOLD AND SIMILAR ACTIVE SITE IN TWO DISTINCT FAMILIES OF BETA-GLYCANASES===
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==Overview==
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The structure of Clostridium thermocellum endoglucanase CelC, a member of the largest cellulase family (family A), has been determined at 2.15 A resolution. The protein folds into an (alpha/beta)8 barrel, with a deep active-site cleft generated by the insertion of a helical subdomain. The structure of the catalytic core of xylanase XynZ, which belongs to xylanase family F, has been determined at 1.4 A resolution. In spite of significant differences in substrate specificity and structure (including the absence of the helical subdomain), the general polypeptide folding pattern, architecture of the active site and catalytic mechanism of XynZ and CelC are similar, suggesting a common evolutionary origin.
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(as it appears on PubMed at http://www.pubmed.gov), where 7664125 is the PubMed ID number.
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{{ABSTRACT_PUBMED_7664125}}
==About this Structure==
==About this Structure==
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[[Category: Family a/5 of cellulases/glycosyl hydrolase]]
[[Category: Family a/5 of cellulases/glycosyl hydrolase]]
[[Category: Glycosyl hydrolase]]
[[Category: Glycosyl hydrolase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 12:38:14 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 20:37:42 2008''

Revision as of 17:37, 30 June 2008

Image:1cec.png

Template:STRUCTURE 1cec

A COMMON PROTEIN FOLD AND SIMILAR ACTIVE SITE IN TWO DISTINCT FAMILIES OF BETA-GLYCANASES

Template:ABSTRACT PUBMED 7664125

About this Structure

1CEC is a Single protein structure of sequence from Clostridium thermocellum. Full crystallographic information is available from OCA.

Reference

A common protein fold and similar active site in two distinct families of beta-glycanases., Dominguez R, Souchon H, Spinelli S, Dauter Z, Wilson KS, Chauvaux S, Beguin P, Alzari PM, Nat Struct Biol. 1995 Jul;2(7):569-76. PMID:7664125

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