1c82

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{{STRUCTURE_1c82| PDB=1c82 | SCENE= }}
{{STRUCTURE_1c82| PDB=1c82 | SCENE= }}
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'''MECHANISM OF HYALURONAN BINDING AND DEGRADATION: STRUCTURE OF STREPTOCOCCUS PNEUMONIAE HYALURONATE LYASE IN COMPLEX WITH HYALURONIC ACID DISACCHARIDE AT 1.7 A RESOLUTION'''
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===MECHANISM OF HYALURONAN BINDING AND DEGRADATION: STRUCTURE OF STREPTOCOCCUS PNEUMONIAE HYALURONATE LYASE IN COMPLEX WITH HYALURONIC ACID DISACCHARIDE AT 1.7 A RESOLUTION===
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==Overview==
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Hyaluronic acid (HA) is an important constituent of the extracellular matrix; its bacterial degradation has been postulated to contribute to the spread of certain streptococci through tissue. Pneumococci and other streptococci produce hyaluronate lyase, an enzyme which depolymerizes HA, thus hyaluronate lyase might contribute directly to bacterial invasion. Although two different mechanisms for lyase action have been proposed, there was no crystallographic evidence to support those mechanisms. Here, we report the high-resolution crystal structure of Streptococcus pneumoniae hyaluronate lyase in the presence of HA disaccharide product, which ultimately provides the first crystallographic evidence for the binding of HA to hyaluronate lyase. This structural complex revealed a key interaction between the Streptococcus peneumoniae hyaluronate lyase protein and the product, and supports our previously proposed novel catalytic mechanism for HA degradation based on the native Streptococcus peneumoniae hyaluronate lyase structure. The information provided by this complex structure will likely be useful in the development of antimicrobial pharmaceutical agents.
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{{ABSTRACT_PUBMED_10843845}}
==About this Structure==
==About this Structure==
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[[Category: Ponnuraj, K.]]
[[Category: Ponnuraj, K.]]
[[Category: Protein-carbohydrate complex]]
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Revision as of 17:20, 30 June 2008

Image:1c82.png

Template:STRUCTURE 1c82

MECHANISM OF HYALURONAN BINDING AND DEGRADATION: STRUCTURE OF STREPTOCOCCUS PNEUMONIAE HYALURONATE LYASE IN COMPLEX WITH HYALURONIC ACID DISACCHARIDE AT 1.7 A RESOLUTION

Template:ABSTRACT PUBMED 10843845

About this Structure

1C82 is a Single protein structure of sequence from Streptococcus pneumoniae. Full crystallographic information is available from OCA.

Reference

Mechanism of hyaluronan binding and degradation: structure of Streptococcus pneumoniae hyaluronate lyase in complex with hyaluronic acid disaccharide at 1.7 A resolution., Ponnuraj K, Jedrzejas MJ, J Mol Biol. 2000 Jun 16;299(4):885-95. PMID:10843845

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