1l9y

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{{Seed}}
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{{STRUCTURE_1l9y| PDB=1l9y | SCENE= }}
{{STRUCTURE_1l9y| PDB=1l9y | SCENE= }}
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'''FEZ-1-Y228A, A Mutant of the Metallo-beta-lactamase from Legionella gormanii'''
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===FEZ-1-Y228A, A Mutant of the Metallo-beta-lactamase from Legionella gormanii===
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==Overview==
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The beta-lactamases are involved in bacterial resistance to penicillin and related compounds. Members of the metallo-enzyme class are now found in many pathogenic bacteria and are thus becoming of major clinical importance. The structures of the Zn-beta-lactamase from Fluoribacter gormanii (FEZ-1) in the native and in the complex form are reported here. FEZ-1 is a monomeric enzyme, which possesses two zinc-binding sites. These structures are discussed in comparison with those of the tetrameric L1 enzyme produced by Stenotrophomonas maltophilia. From this analysis, amino acids involved in the oligomerization of L1 are clearly identified. Despite the similarity in fold, the active site of FEZ-1 was found to be significantly different. Two residues, which were previously implicated in function, are not present in L1 or in FEZ-1. The broad-spectrum substrate profile of Zn-beta-lactamases arises from the rather wide active-site cleft, where various beta-lactam compounds can be accommodated.
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The line below this paragraph, {{ABSTRACT_PUBMED_12507470}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 12507470 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12507470}}
==About this Structure==
==About this Structure==
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[[Category: Monomer with alpha-beta/beta-alpha fold]]
[[Category: Monomer with alpha-beta/beta-alpha fold]]
[[Category: Two monomers per assymmetric unit]]
[[Category: Two monomers per assymmetric unit]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 23:42:34 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jul 2 12:04:12 2008''

Revision as of 09:04, 2 July 2008

Image:1l9y.png

Template:STRUCTURE 1l9y

FEZ-1-Y228A, A Mutant of the Metallo-beta-lactamase from Legionella gormanii

Template:ABSTRACT PUBMED 12507470

About this Structure

1L9Y is a Single protein structure of sequence from Fluoribacter gormanii. Full crystallographic information is available from OCA.

Reference

Three-dimensional structure of FEZ-1, a monomeric subclass B3 metallo-beta-lactamase from Fluoribacter gormanii, in native form and in complex with D-captopril., Garcia-Saez I, Mercuri PS, Papamicael C, Kahn R, Frere JM, Galleni M, Rossolini GM, Dideberg O, J Mol Biol. 2003 Jan 24;325(4):651-60. PMID:12507470

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