2bzd

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{{STRUCTURE_2bzd| PDB=2bzd | SCENE= }}
{{STRUCTURE_2bzd| PDB=2bzd | SCENE= }}
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'''GALACTOSE RECOGNITION BY THE CARBOHYDRATE-BINDING MODULE OF A BACTERIAL SIALIDASE.'''
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===GALACTOSE RECOGNITION BY THE CARBOHYDRATE-BINDING MODULE OF A BACTERIAL SIALIDASE.===
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==Overview==
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Glycoside hydrolases often possess carbohydrate-binding modules (CBMs) in addition to their catalytic domains, which help target the enzymes to appropriate substrates and thereby increase their catalytic efficiency. Sialidases hydrolyse the release of sialic acid from a variety of glycoconjugates and play significant roles in the pathogenesis of a number of important diseases. The sialidase from Micromonospora viridifaciens has a CBM which recognizes galactose. The CBM is linked to the catalytic domain by an immunoglobulin-like domain, resulting in the galactose binding site sitting above the catalytic site, suggesting an interplay between the two sites. By studying nine crystallographically independent structures of the M. viridifaciens sialidase, the relative flexibility of the three domains was analysed. A detailed study is also presented of the recognition of galactose and lactose by the M. viridifaciens CBM. The striking structure of this sialidase suggests a role for the CBM in binding to galactose residues unmasked by the adjacent catalytic site.
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{{ABSTRACT_PUBMED_16239725}}
==About this Structure==
==About this Structure==
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[[Category: Hydrolase]]
[[Category: Hydrolase]]
[[Category: Sialidase]]
[[Category: Sialidase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 21:00:38 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 02:00:11 2008''

Revision as of 23:00, 27 July 2008

Image:2bzd.png

Template:STRUCTURE 2bzd

GALACTOSE RECOGNITION BY THE CARBOHYDRATE-BINDING MODULE OF A BACTERIAL SIALIDASE.

Template:ABSTRACT PUBMED 16239725

About this Structure

2BZD is a Single protein structure of sequence from Micromonospora viridifaciens. This structure supersedes the now removed PDB entry 2bq9. Full crystallographic information is available from OCA.

Reference

Galactose recognition by the carbohydrate-binding module of a bacterial sialidase., Newstead SL, Watson JN, Bennet AJ, Taylor G, Acta Crystallogr D Biol Crystallogr. 2005 Nov;61(Pt 11):1483-91. Epub 2005, Oct 19. PMID:16239725

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