1cxk

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{{STRUCTURE_1cxk| PDB=1cxk | SCENE= }}
{{STRUCTURE_1cxk| PDB=1cxk | SCENE= }}
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'''COMPLEX BETWEEN A MALTONONAOSE SUBSTRATE AND BACILLUS CIRCULANS STRAIN 251 CGTASE E257Q/D229N'''
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===COMPLEX BETWEEN A MALTONONAOSE SUBSTRATE AND BACILLUS CIRCULANS STRAIN 251 CGTASE E257Q/D229N===
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==Overview==
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Cyclodextrin glycosyltransferase (CGTase) is an enzyme of the alpha-amylase family, which uses a double displacement mechanism to process alpha-linked glucose polymers. We have determined two X-ray structures of CGTase complexes, one with an intact substrate at 2.1 A resolution, and the other with a covalently bound reaction intermediate at 1.8 A resolution. These structures give evidence for substrate distortion and the covalent character of the intermediate and for the first time show, in atomic detail, how catalysis in the alpha-amylase family proceeds by the concerted action of all active site residues.
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(as it appears on PubMed at http://www.pubmed.gov), where 10331869 is the PubMed ID number.
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{{ABSTRACT_PUBMED_10331869}}
==About this Structure==
==About this Structure==
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[[Category: Maltononaose]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 21:43:37 2008''

Revision as of 18:43, 30 June 2008

Image:1cxk.png

Template:STRUCTURE 1cxk

COMPLEX BETWEEN A MALTONONAOSE SUBSTRATE AND BACILLUS CIRCULANS STRAIN 251 CGTASE E257Q/D229N

Template:ABSTRACT PUBMED 10331869

About this Structure

1CXK is a Single protein structure of sequence from Bacillus circulans. Full crystallographic information is available from OCA.

Reference

X-ray structures along the reaction pathway of cyclodextrin glycosyltransferase elucidate catalysis in the alpha-amylase family., Uitdehaag JC, Mosi R, Kalk KH, van der Veen BA, Dijkhuizen L, Withers SG, Dijkstra BW, Nat Struct Biol. 1999 May;6(5):432-6. PMID:10331869

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